Home / 20,752,240.57-31,175,600.05-15,012,677.77

Finding the Fourth Proportional to 20,752,240.57, 31,175,600.05 and 15,012,677.77

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Solution

The fourth proportional to 20,752,240.57, 31,175,600.05 and 15,012,677.77 is: 22,553,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,240.57 : 31,175,600.05 = 15,012,677.77 : x
  2. Step 2: Convert to fraction form
    20,752,240.57/31,175,600.05 = 15,012,677.77/x
  3. Step 3: Cross multiply
    20,752,240.57x = 31,175,600.05 × 15,012,677.77
  4. Step 4: Simplify right side
    20,752,240.57x = 468,029,237,777,872.75
  5. Step 5: Solve for x
    x = 468,029,237,777,872.75/20,752,240.57
  6. Step 6: Final answer
    x = 22,553,190.64

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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.