Home / 31,428,047.52-47,149,164.08-9,570,382

Finding the Fourth Proportional to 31,428,047.52, 47,149,164.08 and 9,570,382

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Solution

The fourth proportional to 31,428,047.52, 47,149,164.08 and 9,570,382 is: 14,357,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,428,047.52 : 47,149,164.08 = 9,570,382 : x
  2. Step 2: Convert to fraction form
    31,428,047.52/47,149,164.08 = 9,570,382/x
  3. Step 3: Cross multiply
    31,428,047.52x = 47,149,164.08 × 9,570,382
  4. Step 4: Simplify right side
    31,428,047.52x = 451,235,511,226,278.56
  5. Step 5: Solve for x
    x = 451,235,511,226,278.56/31,428,047.52
  6. Step 6: Final answer
    x = 14,357,732.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.