Home / 19,930,503.60-29,894,200.20-7,797,610.80

Finding the Fourth Proportional to 19,930,503.60, 29,894,200.20 and 7,797,610.80

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Solution

The fourth proportional to 19,930,503.60, 29,894,200.20 and 7,797,610.80 is: 11,695,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930,503.60 : 29,894,200.20 = 7,797,610.80 : x
  2. Step 2: Convert to fraction form
    19,930,503.60/29,894,200.20 = 7,797,610.80/x
  3. Step 3: Cross multiply
    19,930,503.60x = 29,894,200.20 × 7,797,610.80
  4. Step 4: Simplify right side
    19,930,503.60x = 233,103,338,336,882.16
  5. Step 5: Solve for x
    x = 233,103,338,336,882.16/19,930,503.60
  6. Step 6: Final answer
    x = 11,695,807.74

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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.