Home / 27,825,349.76-38,398,947.36-15,437,322.56

Finding the Fourth Proportional to 27,825,349.76, 38,398,947.36 and 15,437,322.56

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Solution

The fourth proportional to 27,825,349.76, 38,398,947.36 and 15,437,322.56 is: 21,303,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825,349.76 : 38,398,947.36 = 15,437,322.56 : x
  2. Step 2: Convert to fraction form
    27,825,349.76/38,398,947.36 = 15,437,322.56/x
  3. Step 3: Cross multiply
    27,825,349.76x = 38,398,947.36 × 15,437,322.56
  4. Step 4: Simplify right side
    27,825,349.76x = 592,776,936,360,780.50
  5. Step 5: Solve for x
    x = 592,776,936,360,780.50/27,825,349.76
  6. Step 6: Final answer
    x = 21,303,485.54

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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.