Home / 18,147,116.40-27,220,674.60-16,761,433.20

Finding the Fourth Proportional to 18,147,116.40, 27,220,674.60 and 16,761,433.20

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Solution

The fourth proportional to 18,147,116.40, 27,220,674.60 and 16,761,433.20 is: 25,142,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,116.40 : 27,220,674.60 = 16,761,433.20 : x
  2. Step 2: Convert to fraction form
    18,147,116.40/27,220,674.60 = 16,761,433.20/x
  3. Step 3: Cross multiply
    18,147,116.40x = 27,220,674.60 × 16,761,433.20
  4. Step 4: Simplify right side
    18,147,116.40x = 456,257,518,966,836.75
  5. Step 5: Solve for x
    x = 456,257,518,966,836.75/18,147,116.40
  6. Step 6: Final answer
    x = 25,142,149.80

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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.