Home / 15,204,734.91-20,982,538.76-8,329,463.55

Finding the Fourth Proportional to 15,204,734.91, 20,982,538.76 and 8,329,463.55

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Solution

The fourth proportional to 15,204,734.91, 20,982,538.76 and 8,329,463.55 is: 11,494,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,734.91 : 20,982,538.76 = 8,329,463.55 : x
  2. Step 2: Convert to fraction form
    15,204,734.91/20,982,538.76 = 8,329,463.55/x
  3. Step 3: Cross multiply
    15,204,734.91x = 20,982,538.76 × 8,329,463.55
  4. Step 4: Simplify right side
    15,204,734.91x = 174,773,291,746,234.88
  5. Step 5: Solve for x
    x = 174,773,291,746,234.88/15,204,734.91
  6. Step 6: Final answer
    x = 11,494,662.21

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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.