Home / 20,182,114.80-30,267,267.30-7,226,764.20

Finding the Fourth Proportional to 20,182,114.80, 30,267,267.30 and 7,226,764.20

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Solution

The fourth proportional to 20,182,114.80, 30,267,267.30 and 7,226,764.20 is: 10,838,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182,114.80 : 30,267,267.30 = 7,226,764.20 : x
  2. Step 2: Convert to fraction form
    20,182,114.80/30,267,267.30 = 7,226,764.20/x
  3. Step 3: Cross multiply
    20,182,114.80x = 30,267,267.30 × 7,226,764.20
  4. Step 4: Simplify right side
    20,182,114.80x = 218,734,403,755,470.66
  5. Step 5: Solve for x
    x = 218,734,403,755,470.66/20,182,114.80
  6. Step 6: Final answer
    x = 10,838,031.89

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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.