Home / 15,465,085.13-21,341,831.52-8,496,213.86

Finding the Fourth Proportional to 15,465,085.13, 21,341,831.52 and 8,496,213.86

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Solution

The fourth proportional to 15,465,085.13, 21,341,831.52 and 8,496,213.86 is: 11,724,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465,085.13 : 21,341,831.52 = 8,496,213.86 : x
  2. Step 2: Convert to fraction form
    15,465,085.13/21,341,831.52 = 8,496,213.86/x
  3. Step 3: Cross multiply
    15,465,085.13x = 21,341,831.52 × 8,496,213.86
  4. Step 4: Simplify right side
    15,465,085.13x = 181,324,764,758,008.84
  5. Step 5: Solve for x
    x = 181,324,764,758,008.84/15,465,085.13
  6. Step 6: Final answer
    x = 11,724,782.84

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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.