Home / 31,428,022.46-47,149,126.52-9,570,357

Finding the Fourth Proportional to 31,428,022.46, 47,149,126.52 and 9,570,357

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Solution

The fourth proportional to 31,428,022.46, 47,149,126.52 and 9,570,357 is: 14,357,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,428,022.46 : 47,149,126.52 = 9,570,357 : x
  2. Step 2: Convert to fraction form
    31,428,022.46/47,149,126.52 = 9,570,357/x
  3. Step 3: Cross multiply
    31,428,022.46x = 47,149,126.52 × 9,570,357
  4. Step 4: Simplify right side
    31,428,022.46x = 451,233,972,986,715.88
  5. Step 5: Solve for x
    x = 451,233,972,986,715.88/31,428,022.46
  6. Step 6: Final answer
    x = 14,357,695.39

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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.