Home / 27,065,429,456.08-37,347,263,422.86-15,022,947,831.43

Finding the Fourth Proportional to 27,065,429,456.08, 37,347,263,422.86 and 15,022,947,831.43

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Solution

The fourth proportional to 27,065,429,456.08, 37,347,263,422.86 and 15,022,947,831.43 is: 20,729,986,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065,429,456.08 : 37,347,263,422.86 = 15,022,947,831.43 : x
  2. Step 2: Convert to fraction form
    27,065,429,456.08/37,347,263,422.86 = 15,022,947,831.43/x
  3. Step 3: Cross multiply
    27,065,429,456.08x = 37,347,263,422.86 × 15,022,947,831.43
  4. Step 4: Simplify right side
    27,065,429,456.08x = 561,065,990,048,299,614,208
  5. Step 5: Solve for x
    x = 561,065,990,048,299,614,208/27,065,429,456.08
  6. Step 6: Final answer
    x = 20,729,986,603.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.