Home / 22,700,765.10-31,327,720.47-12,388,152.90

Finding the Fourth Proportional to 22,700,765.10, 31,327,720.47 and 12,388,152.90

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Solution

The fourth proportional to 22,700,765.10, 31,327,720.47 and 12,388,152.90 is: 17,096,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700,765.10 : 31,327,720.47 = 12,388,152.90 : x
  2. Step 2: Convert to fraction form
    22,700,765.10/31,327,720.47 = 12,388,152.90/x
  3. Step 3: Cross multiply
    22,700,765.10x = 31,327,720.47 × 12,388,152.90
  4. Step 4: Simplify right side
    22,700,765.10x = 388,092,591,190,819.88
  5. Step 5: Solve for x
    x = 388,092,591,190,819.88/22,700,765.10
  6. Step 6: Final answer
    x = 17,096,013.70

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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.