Home / 43,715,814.30-65,573,721.45-13,419,740.70

Finding the Fourth Proportional to 43,715,814.30, 65,573,721.45 and 13,419,740.70

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Solution

The fourth proportional to 43,715,814.30, 65,573,721.45 and 13,419,740.70 is: 20,129,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,715,814.30 : 65,573,721.45 = 13,419,740.70 : x
  2. Step 2: Convert to fraction form
    43,715,814.30/65,573,721.45 = 13,419,740.70/x
  3. Step 3: Cross multiply
    43,715,814.30x = 65,573,721.45 × 13,419,740.70
  4. Step 4: Simplify right side
    43,715,814.30x = 879,982,338,593,028
  5. Step 5: Solve for x
    x = 879,982,338,593,028/43,715,814.30
  6. Step 6: Final answer
    x = 20,129,611.05

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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.