Home / 18,711,702.30-28,067,553.45-11,499,851.10

Finding the Fourth Proportional to 18,711,702.30, 28,067,553.45 and 11,499,851.10

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Solution

The fourth proportional to 18,711,702.30, 28,067,553.45 and 11,499,851.10 is: 17,249,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,702.30 : 28,067,553.45 = 11,499,851.10 : x
  2. Step 2: Convert to fraction form
    18,711,702.30/28,067,553.45 = 11,499,851.10/x
  3. Step 3: Cross multiply
    18,711,702.30x = 28,067,553.45 × 11,499,851.10
  4. Step 4: Simplify right side
    18,711,702.30x = 322,772,685,416,291.25
  5. Step 5: Solve for x
    x = 322,772,685,416,291.25/18,711,702.30
  6. Step 6: Final answer
    x = 17,249,776.65

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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.