Home / 18,188,793.60-27,283,190.40-11,014,340.10

Finding the Fourth Proportional to 18,188,793.60, 27,283,190.40 and 11,014,340.10

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Solution

The fourth proportional to 18,188,793.60, 27,283,190.40 and 11,014,340.10 is: 16,521,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188,793.60 : 27,283,190.40 = 11,014,340.10 : x
  2. Step 2: Convert to fraction form
    18,188,793.60/27,283,190.40 = 11,014,340.10/x
  3. Step 3: Cross multiply
    18,188,793.60x = 27,283,190.40 × 11,014,340.10
  4. Step 4: Simplify right side
    18,188,793.60x = 300,506,338,078,655
  5. Step 5: Solve for x
    x = 300,506,338,078,655/18,188,793.60
  6. Step 6: Final answer
    x = 16,521,510.15

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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.