Home / 20,494,689.14-30,747,417.85-7,365,432.61

Finding the Fourth Proportional to 20,494,689.14, 30,747,417.85 and 7,365,432.61

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Solution

The fourth proportional to 20,494,689.14, 30,747,417.85 and 7,365,432.61 is: 11,050,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,689.14 : 30,747,417.85 = 7,365,432.61 : x
  2. Step 2: Convert to fraction form
    20,494,689.14/30,747,417.85 = 7,365,432.61/x
  3. Step 3: Cross multiply
    20,494,689.14x = 30,747,417.85 × 7,365,432.61
  4. Step 4: Simplify right side
    20,494,689.14x = 226,468,034,105,686.12
  5. Step 5: Solve for x
    x = 226,468,034,105,686.12/20,494,689.14
  6. Step 6: Final answer
    x = 11,050,083.88

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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.