Home / 12,161,195.60-18,229,761.40-5,760,197.20

Finding the Fourth Proportional to 12,161,195.60, 18,229,761.40 and 5,760,197.20

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Solution

The fourth proportional to 12,161,195.60, 18,229,761.40 and 5,760,197.20 is: 8,634,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,195.60 : 18,229,761.40 = 5,760,197.20 : x
  2. Step 2: Convert to fraction form
    12,161,195.60/18,229,761.40 = 5,760,197.20/x
  3. Step 3: Cross multiply
    12,161,195.60x = 18,229,761.40 × 5,760,197.20
  4. Step 4: Simplify right side
    12,161,195.60x = 105,007,020,572,948.08
  5. Step 5: Solve for x
    x = 105,007,020,572,948.08/12,161,195.60
  6. Step 6: Final answer
    x = 8,634,596.80

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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.