Home / 12,098,728.20-18,148,092.30-10,902,001.80

Finding the Fourth Proportional to 12,098,728.20, 18,148,092.30 and 10,902,001.80

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Solution

The fourth proportional to 12,098,728.20, 18,148,092.30 and 10,902,001.80 is: 16,353,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,728.20 : 18,148,092.30 = 10,902,001.80 : x
  2. Step 2: Convert to fraction form
    12,098,728.20/18,148,092.30 = 10,902,001.80/x
  3. Step 3: Cross multiply
    12,098,728.20x = 18,148,092.30 × 10,902,001.80
  4. Step 4: Simplify right side
    12,098,728.20x = 197,850,534,921,166.16
  5. Step 5: Solve for x
    x = 197,850,534,921,166.16/12,098,728.20
  6. Step 6: Final answer
    x = 16,353,002.70

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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.