Home / 18,146,887.40-27,220,331.10-16,761,204.20

Finding the Fourth Proportional to 18,146,887.40, 27,220,331.10 and 16,761,204.20

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Solution

The fourth proportional to 18,146,887.40, 27,220,331.10 and 16,761,204.20 is: 25,141,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,887.40 : 27,220,331.10 = 16,761,204.20 : x
  2. Step 2: Convert to fraction form
    18,146,887.40/27,220,331.10 = 16,761,204.20/x
  3. Step 3: Cross multiply
    18,146,887.40x = 27,220,331.10 × 16,761,204.20
  4. Step 4: Simplify right side
    18,146,887.40x = 456,245,527,958,710.62
  5. Step 5: Solve for x
    x = 456,245,527,958,710.62/18,146,887.40
  6. Step 6: Final answer
    x = 25,141,806.30

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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.