Home / 31,337,447.69-47,008,331.27-13,123,303.85

Finding the Fourth Proportional to 31,337,447.69, 47,008,331.27 and 13,123,303.85

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Solution

The fourth proportional to 31,337,447.69, 47,008,331.27 and 13,123,303.85 is: 19,685,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337,447.69 : 47,008,331.27 = 13,123,303.85 : x
  2. Step 2: Convert to fraction form
    31,337,447.69/47,008,331.27 = 13,123,303.85/x
  3. Step 3: Cross multiply
    31,337,447.69x = 47,008,331.27 × 13,123,303.85
  4. Step 4: Simplify right side
    31,337,447.69x = 616,904,614,437,008.25
  5. Step 5: Solve for x
    x = 616,904,614,437,008.25/31,337,447.69
  6. Step 6: Final answer
    x = 19,685,860.21

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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.