Home / 12,654,002.70-18,981,004.05-8,349,330.60

Finding the Fourth Proportional to 12,654,002.70, 18,981,004.05 and 8,349,330.60

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Solution

The fourth proportional to 12,654,002.70, 18,981,004.05 and 8,349,330.60 is: 12,523,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,002.70 : 18,981,004.05 = 8,349,330.60 : x
  2. Step 2: Convert to fraction form
    12,654,002.70/18,981,004.05 = 8,349,330.60/x
  3. Step 3: Cross multiply
    12,654,002.70x = 18,981,004.05 × 8,349,330.60
  4. Step 4: Simplify right side
    12,654,002.70x = 158,478,677,933,388.94
  5. Step 5: Solve for x
    x = 158,478,677,933,388.94/12,654,002.70
  6. Step 6: Final answer
    x = 12,523,995.90

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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.