Home / 18,444,145.80-27,666,218.70-12,074,046.60

Finding the Fourth Proportional to 18,444,145.80, 27,666,218.70 and 12,074,046.60

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Solution

The fourth proportional to 18,444,145.80, 27,666,218.70 and 12,074,046.60 is: 18,111,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,145.80 : 27,666,218.70 = 12,074,046.60 : x
  2. Step 2: Convert to fraction form
    18,444,145.80/27,666,218.70 = 12,074,046.60/x
  3. Step 3: Cross multiply
    18,444,145.80x = 27,666,218.70 × 12,074,046.60
  4. Step 4: Simplify right side
    18,444,145.80x = 334,043,213,829,591.38
  5. Step 5: Solve for x
    x = 334,043,213,829,591.38/18,444,145.80
  6. Step 6: Final answer
    x = 18,111,069.90

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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.