Home / 18,668,115.40-28,002,173.10-14,888,979.40

Finding the Fourth Proportional to 18,668,115.40, 28,002,173.10 and 14,888,979.40

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Solution

The fourth proportional to 18,668,115.40, 28,002,173.10 and 14,888,979.40 is: 22,333,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,115.40 : 28,002,173.10 = 14,888,979.40 : x
  2. Step 2: Convert to fraction form
    18,668,115.40/28,002,173.10 = 14,888,979.40/x
  3. Step 3: Cross multiply
    18,668,115.40x = 28,002,173.10 × 14,888,979.40
  4. Step 4: Simplify right side
    18,668,115.40x = 416,923,778,441,134.19
  5. Step 5: Solve for x
    x = 416,923,778,441,134.19/18,668,115.40
  6. Step 6: Final answer
    x = 22,333,469.10

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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.