Home / 12,654,002.20-18,981,003.30-8,349,330.10

Finding the Fourth Proportional to 12,654,002.20, 18,981,003.30 and 8,349,330.10

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Solution

The fourth proportional to 12,654,002.20, 18,981,003.30 and 8,349,330.10 is: 12,523,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,002.20 : 18,981,003.30 = 8,349,330.10 : x
  2. Step 2: Convert to fraction form
    12,654,002.20/18,981,003.30 = 8,349,330.10/x
  3. Step 3: Cross multiply
    12,654,002.20x = 18,981,003.30 × 8,349,330.10
  4. Step 4: Simplify right side
    12,654,002.20x = 158,478,662,180,889.34
  5. Step 5: Solve for x
    x = 158,478,662,180,889.34/12,654,002.20
  6. Step 6: Final answer
    x = 12,523,995.15

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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.