Home / 20,592,107.10-28,420,518.87-11,427,693.66

Finding the Fourth Proportional to 20,592,107.10, 28,420,518.87 and 11,427,693.66

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Solution

The fourth proportional to 20,592,107.10, 28,420,518.87 and 11,427,693.66 is: 15,772,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,107.10 : 28,420,518.87 = 11,427,693.66 : x
  2. Step 2: Convert to fraction form
    20,592,107.10/28,420,518.87 = 11,427,693.66/x
  3. Step 3: Cross multiply
    20,592,107.10x = 28,420,518.87 × 11,427,693.66
  4. Step 4: Simplify right side
    20,592,107.10x = 324,780,983,304,609.38
  5. Step 5: Solve for x
    x = 324,780,983,304,609.38/20,592,107.10
  6. Step 6: Final answer
    x = 15,772,110.24

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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.