Home / 12,098,873.70-18,148,310.55-10,902,147.30

Finding the Fourth Proportional to 12,098,873.70, 18,148,310.55 and 10,902,147.30

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Solution

The fourth proportional to 12,098,873.70, 18,148,310.55 and 10,902,147.30 is: 16,353,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,873.70 : 18,148,310.55 = 10,902,147.30 : x
  2. Step 2: Convert to fraction form
    12,098,873.70/18,148,310.55 = 10,902,147.30/x
  3. Step 3: Cross multiply
    12,098,873.70x = 18,148,310.55 × 10,902,147.30
  4. Step 4: Simplify right side
    12,098,873.70x = 197,855,554,862,244.03
  5. Step 5: Solve for x
    x = 197,855,554,862,244.03/12,098,873.70
  6. Step 6: Final answer
    x = 16,353,220.95

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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.