Home / 12,229,707.80-18,344,561.70-6,561,003.80

Finding the Fourth Proportional to 12,229,707.80, 18,344,561.70 and 6,561,003.80

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Solution

The fourth proportional to 12,229,707.80, 18,344,561.70 and 6,561,003.80 is: 9,841,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229,707.80 : 18,344,561.70 = 6,561,003.80 : x
  2. Step 2: Convert to fraction form
    12,229,707.80/18,344,561.70 = 6,561,003.80/x
  3. Step 3: Cross multiply
    12,229,707.80x = 18,344,561.70 × 6,561,003.80
  4. Step 4: Simplify right side
    12,229,707.80x = 120,358,739,023,034.45
  5. Step 5: Solve for x
    x = 120,358,739,023,034.45/12,229,707.80
  6. Step 6: Final answer
    x = 9,841,505.70

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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.