Home / 18,534,078.30-27,801,117.45-4,887,198.30

Finding the Fourth Proportional to 18,534,078.30, 27,801,117.45 and 4,887,198.30

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Solution

The fourth proportional to 18,534,078.30, 27,801,117.45 and 4,887,198.30 is: 7,330,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534,078.30 : 27,801,117.45 = 4,887,198.30 : x
  2. Step 2: Convert to fraction form
    18,534,078.30/27,801,117.45 = 4,887,198.30/x
  3. Step 3: Cross multiply
    18,534,078.30x = 27,801,117.45 × 4,887,198.30
  4. Step 4: Simplify right side
    18,534,078.30x = 135,869,573,939,740.33
  5. Step 5: Solve for x
    x = 135,869,573,939,740.33/18,534,078.30
  6. Step 6: Final answer
    x = 7,330,797.45

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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.