Home / 12,948,724.20-19,423,086.30-4,428,301.80

Finding the Fourth Proportional to 12,948,724.20, 19,423,086.30 and 4,428,301.80

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Solution

The fourth proportional to 12,948,724.20, 19,423,086.30 and 4,428,301.80 is: 6,642,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,724.20 : 19,423,086.30 = 4,428,301.80 : x
  2. Step 2: Convert to fraction form
    12,948,724.20/19,423,086.30 = 4,428,301.80/x
  3. Step 3: Cross multiply
    12,948,724.20x = 19,423,086.30 × 4,428,301.80
  4. Step 4: Simplify right side
    12,948,724.20x = 86,011,288,023,845.34
  5. Step 5: Solve for x
    x = 86,011,288,023,845.34/12,948,724.20
  6. Step 6: Final answer
    x = 6,642,452.70

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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.