Home / 31,531,459.20-47,304,187.20-14,488,022.40

Finding the Fourth Proportional to 31,531,459.20, 47,304,187.20 and 14,488,022.40

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Solution

The fourth proportional to 31,531,459.20, 47,304,187.20 and 14,488,022.40 is: 21,735,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,531,459.20 : 47,304,187.20 = 14,488,022.40 : x
  2. Step 2: Convert to fraction form
    31,531,459.20/47,304,187.20 = 14,488,022.40/x
  3. Step 3: Cross multiply
    31,531,459.20x = 47,304,187.20 × 14,488,022.40
  4. Step 4: Simplify right side
    31,531,459.20x = 685,344,123,767,393.38
  5. Step 5: Solve for x
    x = 685,344,123,767,393.38/31,531,459.20
  6. Step 6: Final answer
    x = 21,735,249.21

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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.