Home / 12,393,121.30-18,589,681.95-9,558,769.30

Finding the Fourth Proportional to 12,393,121.30, 18,589,681.95 and 9,558,769.30

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Solution

The fourth proportional to 12,393,121.30, 18,589,681.95 and 9,558,769.30 is: 14,338,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,121.30 : 18,589,681.95 = 9,558,769.30 : x
  2. Step 2: Convert to fraction form
    12,393,121.30/18,589,681.95 = 9,558,769.30/x
  3. Step 3: Cross multiply
    12,393,121.30x = 18,589,681.95 × 9,558,769.30
  4. Step 4: Simplify right side
    12,393,121.30x = 177,694,481,120,424.16
  5. Step 5: Solve for x
    x = 177,694,481,120,424.16/12,393,121.30
  6. Step 6: Final answer
    x = 14,338,153.95

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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.