Home / 19,482,472.20-29,232,002.70-12,299,521.80

Finding the Fourth Proportional to 19,482,472.20, 29,232,002.70 and 12,299,521.80

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Solution

The fourth proportional to 19,482,472.20, 29,232,002.70 and 12,299,521.80 is: 18,454,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482,472.20 : 29,232,002.70 = 12,299,521.80 : x
  2. Step 2: Convert to fraction form
    19,482,472.20/29,232,002.70 = 12,299,521.80/x
  3. Step 3: Cross multiply
    19,482,472.20x = 29,232,002.70 × 12,299,521.80
  4. Step 4: Simplify right side
    19,482,472.20x = 359,539,654,466,308.88
  5. Step 5: Solve for x
    x = 359,539,654,466,308.88/19,482,472.20
  6. Step 6: Final answer
    x = 18,454,519.06

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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.