Home / 18,668,116.90-28,002,175.35-14,888,980.90

Finding the Fourth Proportional to 18,668,116.90, 28,002,175.35 and 14,888,980.90

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Solution

The fourth proportional to 18,668,116.90, 28,002,175.35 and 14,888,980.90 is: 22,333,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,116.90 : 28,002,175.35 = 14,888,980.90 : x
  2. Step 2: Convert to fraction form
    18,668,116.90/28,002,175.35 = 14,888,980.90/x
  3. Step 3: Cross multiply
    18,668,116.90x = 28,002,175.35 × 14,888,980.90
  4. Step 4: Simplify right side
    18,668,116.90x = 416,923,853,944,600.88
  5. Step 5: Solve for x
    x = 416,923,853,944,600.88/18,668,116.90
  6. Step 6: Final answer
    x = 22,333,471.35

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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.