Home / 12,343,086.24-18,517,564.80-5,150,623.20

Finding the Fourth Proportional to 12,343,086.24, 18,517,564.80 and 5,150,623.20

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Solution

The fourth proportional to 12,343,086.24, 18,517,564.80 and 5,150,623.20 is: 7,727,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,086.24 : 18,517,564.80 = 5,150,623.20 : x
  2. Step 2: Convert to fraction form
    12,343,086.24/18,517,564.80 = 5,150,623.20/x
  3. Step 3: Cross multiply
    12,343,086.24x = 18,517,564.80 × 5,150,623.20
  4. Step 4: Simplify right side
    12,343,086.24x = 95,376,998,866,383.38
  5. Step 5: Solve for x
    x = 95,376,998,866,383.38/12,343,086.24
  6. Step 6: Final answer
    x = 7,727,159.72

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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.