Home / 17,680,377.60-24,365,577.60-15,490,656

Finding the Fourth Proportional to 17,680,377.60, 24,365,577.60 and 15,490,656

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Solution

The fourth proportional to 17,680,377.60, 24,365,577.60 and 15,490,656 is: 21,347,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680,377.60 : 24,365,577.60 = 15,490,656 : x
  2. Step 2: Convert to fraction form
    17,680,377.60/24,365,577.60 = 15,490,656/x
  3. Step 3: Cross multiply
    17,680,377.60x = 24,365,577.60 × 15,490,656
  4. Step 4: Simplify right side
    17,680,377.60x = 377,438,780,842,905.62
  5. Step 5: Solve for x
    x = 377,438,780,842,905.62/17,680,377.60
  6. Step 6: Final answer
    x = 21,347,891.40

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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.