Home / 8,168,543.12-12,254,642.04-2,489,211.92

Finding the Fourth Proportional to 8,168,543.12, 12,254,642.04 and 2,489,211.92

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Solution

The fourth proportional to 8,168,543.12, 12,254,642.04 and 2,489,211.92 is: 3,734,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,543.12 : 12,254,642.04 = 2,489,211.92 : x
  2. Step 2: Convert to fraction form
    8,168,543.12/12,254,642.04 = 2,489,211.92/x
  3. Step 3: Cross multiply
    8,168,543.12x = 12,254,642.04 × 2,489,211.92
  4. Step 4: Simplify right side
    8,168,543.12x = 30,504,401,041,301.11
  5. Step 5: Solve for x
    x = 30,504,401,041,301.11/8,168,543.12
  6. Step 6: Final answer
    x = 3,734,374.73

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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.