Home / 12,278,852.44-18,431,053.17-9,044,042.92

Finding the Fourth Proportional to 12,278,852.44, 18,431,053.17 and 9,044,042.92

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Solution

The fourth proportional to 12,278,852.44, 18,431,053.17 and 9,044,042.92 is: 13,575,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278,852.44 : 18,431,053.17 = 9,044,042.92 : x
  2. Step 2: Convert to fraction form
    12,278,852.44/18,431,053.17 = 9,044,042.92/x
  3. Step 3: Cross multiply
    12,278,852.44x = 18,431,053.17 × 9,044,042.92
  4. Step 4: Simplify right side
    12,278,852.44x = 166,691,235,930,282.06
  5. Step 5: Solve for x
    x = 166,691,235,930,282.06/12,278,852.44
  6. Step 6: Final answer
    x = 13,575,473.50

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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.