Home / 47,726,520.71-65,860,744.55-29,172,726.21

Finding the Fourth Proportional to 47,726,520.71, 65,860,744.55 and 29,172,726.21

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Solution

The fourth proportional to 47,726,520.71, 65,860,744.55 and 29,172,726.21 is: 40,257,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,726,520.71 : 65,860,744.55 = 29,172,726.21 : x
  2. Step 2: Convert to fraction form
    47,726,520.71/65,860,744.55 = 29,172,726.21/x
  3. Step 3: Cross multiply
    47,726,520.71x = 65,860,744.55 × 29,172,726.21
  4. Step 4: Simplify right side
    47,726,520.71x = 1,921,337,468,845,014
  5. Step 5: Solve for x
    x = 1,921,337,468,845,014/47,726,520.71
  6. Step 6: Final answer
    x = 40,257,228.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.