Home / 8,161,343.20-12,242,014.80-4,382,207.20

Finding the Fourth Proportional to 8,161,343.20, 12,242,014.80 and 4,382,207.20

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Solution

The fourth proportional to 8,161,343.20, 12,242,014.80 and 4,382,207.20 is: 6,573,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,343.20 : 12,242,014.80 = 4,382,207.20 : x
  2. Step 2: Convert to fraction form
    8,161,343.20/12,242,014.80 = 4,382,207.20/x
  3. Step 3: Cross multiply
    8,161,343.20x = 12,242,014.80 × 4,382,207.20
  4. Step 4: Simplify right side
    8,161,343.20x = 53,647,045,399,066.56
  5. Step 5: Solve for x
    x = 53,647,045,399,066.56/8,161,343.20
  6. Step 6: Final answer
    x = 6,573,310.80

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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.