Home / 12,104,081.80-18,156,122.70-9,269,729.80

Finding the Fourth Proportional to 12,104,081.80, 18,156,122.70 and 9,269,729.80

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Solution

The fourth proportional to 12,104,081.80, 18,156,122.70 and 9,269,729.80 is: 13,904,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,081.80 : 18,156,122.70 = 9,269,729.80 : x
  2. Step 2: Convert to fraction form
    12,104,081.80/18,156,122.70 = 9,269,729.80/x
  3. Step 3: Cross multiply
    12,104,081.80x = 18,156,122.70 × 9,269,729.80
  4. Step 4: Simplify right side
    12,104,081.80x = 168,302,351,644,646.47
  5. Step 5: Solve for x
    x = 168,302,351,644,646.47/12,104,081.80
  6. Step 6: Final answer
    x = 13,904,594.70

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Similar ratio
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1.5x scale

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.