Home / 18,722,475.60-28,083,713.40-15,699,166.80

Finding the Fourth Proportional to 18,722,475.60, 28,083,713.40 and 15,699,166.80

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Solution

The fourth proportional to 18,722,475.60, 28,083,713.40 and 15,699,166.80 is: 23,548,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,475.60 : 28,083,713.40 = 15,699,166.80 : x
  2. Step 2: Convert to fraction form
    18,722,475.60/28,083,713.40 = 15,699,166.80/x
  3. Step 3: Cross multiply
    18,722,475.60x = 28,083,713.40 × 15,699,166.80
  4. Step 4: Simplify right side
    18,722,475.60x = 440,890,901,029,995.12
  5. Step 5: Solve for x
    x = 440,890,901,029,995.12/18,722,475.60
  6. Step 6: Final answer
    x = 23,548,750.20

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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.