Home / 18,104,003.40-27,156,005.10-5,325,799.80

Finding the Fourth Proportional to 18,104,003.40, 27,156,005.10 and 5,325,799.80

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Solution

The fourth proportional to 18,104,003.40, 27,156,005.10 and 5,325,799.80 is: 7,988,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,003.40 : 27,156,005.10 = 5,325,799.80 : x
  2. Step 2: Convert to fraction form
    18,104,003.40/27,156,005.10 = 5,325,799.80/x
  3. Step 3: Cross multiply
    18,104,003.40x = 27,156,005.10 × 5,325,799.80
  4. Step 4: Simplify right side
    18,104,003.40x = 144,627,446,530,378.97
  5. Step 5: Solve for x
    x = 144,627,446,530,378.97/18,104,003.40
  6. Step 6: Final answer
    x = 7,988,699.70

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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.