Home / 12,215,348.40-18,325,096.20-3,695,617.20

Finding the Fourth Proportional to 12,215,348.40, 18,325,096.20 and 3,695,617.20

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Solution

The fourth proportional to 12,215,348.40, 18,325,096.20 and 3,695,617.20 is: 5,544,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,348.40 : 18,325,096.20 = 3,695,617.20 : x
  2. Step 2: Convert to fraction form
    12,215,348.40/18,325,096.20 = 3,695,617.20/x
  3. Step 3: Cross multiply
    12,215,348.40x = 18,325,096.20 × 3,695,617.20
  4. Step 4: Simplify right side
    12,215,348.40x = 67,722,540,708,374.64
  5. Step 5: Solve for x
    x = 67,722,540,708,374.64/12,215,348.40
  6. Step 6: Final answer
    x = 5,544,053.14

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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.