Home / 20,297,684.34-30,472,508.28-17,437,350.78

Finding the Fourth Proportional to 20,297,684.34, 30,472,508.28 and 17,437,350.78

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Solution

The fourth proportional to 20,297,684.34, 30,472,508.28 and 17,437,350.78 is: 26,178,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297,684.34 : 30,472,508.28 = 17,437,350.78 : x
  2. Step 2: Convert to fraction form
    20,297,684.34/30,472,508.28 = 17,437,350.78/x
  3. Step 3: Cross multiply
    20,297,684.34x = 30,472,508.28 × 17,437,350.78
  4. Step 4: Simplify right side
    20,297,684.34x = 531,359,816,024,814.50
  5. Step 5: Solve for x
    x = 531,359,816,024,814.50/20,297,684.34
  6. Step 6: Final answer
    x = 26,178,346.61

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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.