Home / 20,737,773.40-31,102,512.90-9,955,053.40

Finding the Fourth Proportional to 20,737,773.40, 31,102,512.90 and 9,955,053.40

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Solution

The fourth proportional to 20,737,773.40, 31,102,512.90 and 9,955,053.40 is: 14,930,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,773.40 : 31,102,512.90 = 9,955,053.40 : x
  2. Step 2: Convert to fraction form
    20,737,773.40/31,102,512.90 = 9,955,053.40/x
  3. Step 3: Cross multiply
    20,737,773.40x = 31,102,512.90 × 9,955,053.40
  4. Step 4: Simplify right side
    20,737,773.40x = 309,627,176,793,688.88
  5. Step 5: Solve for x
    x = 309,627,176,793,688.88/20,737,773.40
  6. Step 6: Final answer
    x = 14,930,589.26

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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.