Home / 29,639,108.70-44,386,909.20-20,515,644.54

Finding the Fourth Proportional to 29,639,108.70, 44,386,909.20 and 20,515,644.54

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Solution

The fourth proportional to 29,639,108.70, 44,386,909.20 and 20,515,644.54 is: 30,723,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639,108.70 : 44,386,909.20 = 20,515,644.54 : x
  2. Step 2: Convert to fraction form
    29,639,108.70/44,386,909.20 = 20,515,644.54/x
  3. Step 3: Cross multiply
    29,639,108.70x = 44,386,909.20 × 20,515,644.54
  4. Step 4: Simplify right side
    29,639,108.70x = 910,626,051,376,455.75
  5. Step 5: Solve for x
    x = 910,626,051,376,455.75/29,639,108.70
  6. Step 6: Final answer
    x = 30,723,800.12

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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.