Home / 12,949,118.20-19,423,677.30-12,396,244.60

Finding the Fourth Proportional to 12,949,118.20, 19,423,677.30 and 12,396,244.60

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Solution

The fourth proportional to 12,949,118.20, 19,423,677.30 and 12,396,244.60 is: 18,594,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,118.20 : 19,423,677.30 = 12,396,244.60 : x
  2. Step 2: Convert to fraction form
    12,949,118.20/19,423,677.30 = 12,396,244.60/x
  3. Step 3: Cross multiply
    12,949,118.20x = 19,423,677.30 × 12,396,244.60
  4. Step 4: Simplify right side
    12,949,118.20x = 240,780,654,842,267.59
  5. Step 5: Solve for x
    x = 240,780,654,842,267.59/12,949,118.20
  6. Step 6: Final answer
    x = 18,594,366.90

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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.