Home / 12,458,216.20-18,687,324.30-9,098,984.20

Finding the Fourth Proportional to 12,458,216.20, 18,687,324.30 and 9,098,984.20

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Solution

The fourth proportional to 12,458,216.20, 18,687,324.30 and 9,098,984.20 is: 13,648,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,216.20 : 18,687,324.30 = 9,098,984.20 : x
  2. Step 2: Convert to fraction form
    12,458,216.20/18,687,324.30 = 9,098,984.20/x
  3. Step 3: Cross multiply
    12,458,216.20x = 18,687,324.30 × 9,098,984.20
  4. Step 4: Simplify right side
    12,458,216.20x = 170,035,668,545,976.06
  5. Step 5: Solve for x
    x = 170,035,668,545,976.06/12,458,216.20
  6. Step 6: Final answer
    x = 13,648,476.30

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Double scale
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Similar ratio
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1.5x scale

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.