Home / 12,331,034.80-18,480,805.80-9,476,999.80

Finding the Fourth Proportional to 12,331,034.80, 18,480,805.80 and 9,476,999.80

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Solution

The fourth proportional to 12,331,034.80, 18,480,805.80 and 9,476,999.80 is: 14,203,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,034.80 : 18,480,805.80 = 9,476,999.80 : x
  2. Step 2: Convert to fraction form
    12,331,034.80/18,480,805.80 = 9,476,999.80/x
  3. Step 3: Cross multiply
    12,331,034.80x = 18,480,805.80 × 9,476,999.80
  4. Step 4: Simplify right side
    12,331,034.80x = 175,142,592,870,438.88
  5. Step 5: Solve for x
    x = 175,142,592,870,438.88/12,331,034.80
  6. Step 6: Final answer
    x = 14,203,397.83

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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.