Home / 12,251,346.30-18,377,019.45-10,338,158.70

Finding the Fourth Proportional to 12,251,346.30, 18,377,019.45 and 10,338,158.70

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Solution

The fourth proportional to 12,251,346.30, 18,377,019.45 and 10,338,158.70 is: 15,507,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,346.30 : 18,377,019.45 = 10,338,158.70 : x
  2. Step 2: Convert to fraction form
    12,251,346.30/18,377,019.45 = 10,338,158.70/x
  3. Step 3: Cross multiply
    12,251,346.30x = 18,377,019.45 × 10,338,158.70
  4. Step 4: Simplify right side
    12,251,346.30x = 189,984,543,507,086.69
  5. Step 5: Solve for x
    x = 189,984,543,507,086.69/12,251,346.30
  6. Step 6: Final answer
    x = 15,507,238.05

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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.