Home / 15,502,458.60-23,253,687.90-12,139,540.20

Finding the Fourth Proportional to 15,502,458.60, 23,253,687.90 and 12,139,540.20

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Solution

The fourth proportional to 15,502,458.60, 23,253,687.90 and 12,139,540.20 is: 18,209,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502,458.60 : 23,253,687.90 = 12,139,540.20 : x
  2. Step 2: Convert to fraction form
    15,502,458.60/23,253,687.90 = 12,139,540.20/x
  3. Step 3: Cross multiply
    15,502,458.60x = 23,253,687.90 × 12,139,540.20
  4. Step 4: Simplify right side
    15,502,458.60x = 282,289,079,060,303.56
  5. Step 5: Solve for x
    x = 282,289,079,060,303.56/15,502,458.60
  6. Step 6: Final answer
    x = 18,209,310.30

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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.