Home / 20,220,304.10-30,330,456.15-13,417,859.30

Finding the Fourth Proportional to 20,220,304.10, 30,330,456.15 and 13,417,859.30

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Solution

The fourth proportional to 20,220,304.10, 30,330,456.15 and 13,417,859.30 is: 20,126,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,304.10 : 30,330,456.15 = 13,417,859.30 : x
  2. Step 2: Convert to fraction form
    20,220,304.10/30,330,456.15 = 13,417,859.30/x
  3. Step 3: Cross multiply
    20,220,304.10x = 30,330,456.15 × 13,417,859.30
  4. Step 4: Simplify right side
    20,220,304.10x = 406,969,793,125,519.69
  5. Step 5: Solve for x
    x = 406,969,793,125,519.69/20,220,304.10
  6. Step 6: Final answer
    x = 20,126,788.95

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1.5x scale

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.