Home / 28,145,459.76-38,820,711.48-25,829,830.04

Finding the Fourth Proportional to 28,145,459.76, 38,820,711.48 and 25,829,830.04

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Solution

The fourth proportional to 28,145,459.76, 38,820,711.48 and 25,829,830.04 is: 35,626,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145,459.76 : 38,820,711.48 = 25,829,830.04 : x
  2. Step 2: Convert to fraction form
    28,145,459.76/38,820,711.48 = 25,829,830.04/x
  3. Step 3: Cross multiply
    28,145,459.76x = 38,820,711.48 × 25,829,830.04
  4. Step 4: Simplify right side
    28,145,459.76x = 1,002,732,379,560,276.75
  5. Step 5: Solve for x
    x = 1,002,732,379,560,276.75/28,145,459.76
  6. Step 6: Final answer
    x = 35,626,789.83

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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.