Home / 12,507,231.98-18,764,082.54-7,324,218.70

Finding the Fourth Proportional to 12,507,231.98, 18,764,082.54 and 7,324,218.70

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Solution

The fourth proportional to 12,507,231.98, 18,764,082.54 and 7,324,218.70 is: 10,988,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,231.98 : 18,764,082.54 = 7,324,218.70 : x
  2. Step 2: Convert to fraction form
    12,507,231.98/18,764,082.54 = 7,324,218.70/x
  3. Step 3: Cross multiply
    12,507,231.98x = 18,764,082.54 × 7,324,218.70
  4. Step 4: Simplify right side
    12,507,231.98x = 137,432,244,180,901.28
  5. Step 5: Solve for x
    x = 137,432,244,180,901.28/12,507,231.98
  6. Step 6: Final answer
    x = 10,988,222.20

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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.