Home / 18,340,087.40-27,510,131.10-16,772,445.80

Finding the Fourth Proportional to 18,340,087.40, 27,510,131.10 and 16,772,445.80

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Solution

The fourth proportional to 18,340,087.40, 27,510,131.10 and 16,772,445.80 is: 25,158,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340,087.40 : 27,510,131.10 = 16,772,445.80 : x
  2. Step 2: Convert to fraction form
    18,340,087.40/27,510,131.10 = 16,772,445.80/x
  3. Step 3: Cross multiply
    18,340,087.40x = 27,510,131.10 × 16,772,445.80
  4. Step 4: Simplify right side
    18,340,087.40x = 461,412,182,825,644.44
  5. Step 5: Solve for x
    x = 461,412,182,825,644.44/18,340,087.40
  6. Step 6: Final answer
    x = 25,158,668.70

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Double scale
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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.