Home / 7,182,312.54-10,771,625.61-2,132,451.42

Finding the Fourth Proportional to 7,182,312.54, 10,771,625.61 and 2,132,451.42

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Solution

The fourth proportional to 7,182,312.54, 10,771,625.61 and 2,132,451.42 is: 3,198,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,312.54 : 10,771,625.61 = 2,132,451.42 : x
  2. Step 2: Convert to fraction form
    7,182,312.54/10,771,625.61 = 2,132,451.42/x
  3. Step 3: Cross multiply
    7,182,312.54x = 10,771,625.61 × 2,132,451.42
  4. Step 4: Simplify right side
    7,182,312.54x = 22,969,968,327,752.86
  5. Step 5: Solve for x
    x = 22,969,968,327,752.86/7,182,312.54
  6. Step 6: Final answer
    x = 3,198,129.88

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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.