Home / 12,811,327.20-17,679,481.20-7,010,042.40

Finding the Fourth Proportional to 12,811,327.20, 17,679,481.20 and 7,010,042.40

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Solution

The fourth proportional to 12,811,327.20, 17,679,481.20 and 7,010,042.40 is: 9,673,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,327.20 : 17,679,481.20 = 7,010,042.40 : x
  2. Step 2: Convert to fraction form
    12,811,327.20/17,679,481.20 = 7,010,042.40/x
  3. Step 3: Cross multiply
    12,811,327.20x = 17,679,481.20 × 7,010,042.40
  4. Step 4: Simplify right side
    12,811,327.20x = 123,933,912,822,002.88
  5. Step 5: Solve for x
    x = 123,933,912,822,002.88/12,811,327.20
  6. Step 6: Final answer
    x = 9,673,776.25

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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.