Home / 13,770,180.96-20,636,375.04-8,712,437.28

Finding the Fourth Proportional to 13,770,180.96, 20,636,375.04 and 8,712,437.28

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Solution

The fourth proportional to 13,770,180.96, 20,636,375.04 and 8,712,437.28 is: 13,056,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,180.96 : 20,636,375.04 = 8,712,437.28 : x
  2. Step 2: Convert to fraction form
    13,770,180.96/20,636,375.04 = 8,712,437.28/x
  3. Step 3: Cross multiply
    13,770,180.96x = 20,636,375.04 × 8,712,437.28
  4. Step 4: Simplify right side
    13,770,180.96x = 179,793,123,222,557.47
  5. Step 5: Solve for x
    x = 179,793,123,222,557.47/13,770,180.96
  6. Step 6: Final answer
    x = 13,056,700.11

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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.