Home / 12,950,761.74-17,871,581.79-7,149,418.62

Finding the Fourth Proportional to 12,950,761.74, 17,871,581.79 and 7,149,418.62

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Solution

The fourth proportional to 12,950,761.74, 17,871,581.79 and 7,149,418.62 is: 9,865,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,761.74 : 17,871,581.79 = 7,149,418.62 : x
  2. Step 2: Convert to fraction form
    12,950,761.74/17,871,581.79 = 7,149,418.62/x
  3. Step 3: Cross multiply
    12,950,761.74x = 17,871,581.79 × 7,149,418.62
  4. Step 4: Simplify right side
    12,950,761.74x = 127,771,419,618,278.92
  5. Step 5: Solve for x
    x = 127,771,419,618,278.92/12,950,761.74
  6. Step 6: Final answer
    x = 9,865,938.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.