Home / 20,609,772.40-30,914,658.60-5,465,234.80

Finding the Fourth Proportional to 20,609,772.40, 30,914,658.60 and 5,465,234.80

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Solution

The fourth proportional to 20,609,772.40, 30,914,658.60 and 5,465,234.80 is: 8,197,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,772.40 : 30,914,658.60 = 5,465,234.80 : x
  2. Step 2: Convert to fraction form
    20,609,772.40/30,914,658.60 = 5,465,234.80/x
  3. Step 3: Cross multiply
    20,609,772.40x = 30,914,658.60 × 5,465,234.80
  4. Step 4: Simplify right side
    20,609,772.40x = 168,955,868,010,839.28
  5. Step 5: Solve for x
    x = 168,955,868,010,839.28/20,609,772.40
  6. Step 6: Final answer
    x = 8,197,852.20

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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.