Home / 12,967,770.90-17,895,579.38-7,087,523.87

Finding the Fourth Proportional to 12,967,770.90, 17,895,579.38 and 7,087,523.87

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Solution

The fourth proportional to 12,967,770.90, 17,895,579.38 and 7,087,523.87 is: 9,780,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967,770.90 : 17,895,579.38 = 7,087,523.87 : x
  2. Step 2: Convert to fraction form
    12,967,770.90/17,895,579.38 = 7,087,523.87/x
  3. Step 3: Cross multiply
    12,967,770.90x = 17,895,579.38 × 7,087,523.87
  4. Step 4: Simplify right side
    12,967,770.90x = 126,835,346,023,229.80
  5. Step 5: Solve for x
    x = 126,835,346,023,229.80/12,967,770.90
  6. Step 6: Final answer
    x = 9,780,813.29

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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.