Home / 12,148,728.30-18,223,092.45-10,235,540.70

Finding the Fourth Proportional to 12,148,728.30, 18,223,092.45 and 10,235,540.70

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Solution

The fourth proportional to 12,148,728.30, 18,223,092.45 and 10,235,540.70 is: 15,353,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,728.30 : 18,223,092.45 = 10,235,540.70 : x
  2. Step 2: Convert to fraction form
    12,148,728.30/18,223,092.45 = 10,235,540.70/x
  3. Step 3: Cross multiply
    12,148,728.30x = 18,223,092.45 × 10,235,540.70
  4. Step 4: Simplify right side
    12,148,728.30x = 186,523,204,451,837.69
  5. Step 5: Solve for x
    x = 186,523,204,451,837.69/12,148,728.30
  6. Step 6: Final answer
    x = 15,353,311.05

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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.