Home / 8,143,575.35-12,215,356.00-2,078,306.57

Finding the Fourth Proportional to 8,143,575.35, 12,215,356.00 and 2,078,306.57

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Solution

The fourth proportional to 8,143,575.35, 12,215,356.00 and 2,078,306.57 is: 3,117,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,575.35 : 12,215,356.00 = 2,078,306.57 : x
  2. Step 2: Convert to fraction form
    8,143,575.35/12,215,356.00 = 2,078,306.57/x
  3. Step 3: Cross multiply
    8,143,575.35x = 12,215,356.00 × 2,078,306.57
  4. Step 4: Simplify right side
    8,143,575.35x = 25,387,254,655,031.54
  5. Step 5: Solve for x
    x = 25,387,254,655,031.54/8,143,575.35
  6. Step 6: Final answer
    x = 3,117,458.07

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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.