Home / 31,690,167.84-47,538,473.76-10,937,905.20

Finding the Fourth Proportional to 31,690,167.84, 47,538,473.76 and 10,937,905.20

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Solution

The fourth proportional to 31,690,167.84, 47,538,473.76 and 10,937,905.20 is: 16,407,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,690,167.84 : 47,538,473.76 = 10,937,905.20 : x
  2. Step 2: Convert to fraction form
    31,690,167.84/47,538,473.76 = 10,937,905.20/x
  3. Step 3: Cross multiply
    31,690,167.84x = 47,538,473.76 × 10,937,905.20
  4. Step 4: Simplify right side
    31,690,167.84x = 519,971,319,339,567.50
  5. Step 5: Solve for x
    x = 519,971,319,339,567.50/31,690,167.84
  6. Step 6: Final answer
    x = 16,407,969.88

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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.