Home / 8,275,621.76-12,409,434.48-2,884,145.12

Finding the Fourth Proportional to 8,275,621.76, 12,409,434.48 and 2,884,145.12

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Solution

The fourth proportional to 8,275,621.76, 12,409,434.48 and 2,884,145.12 is: 4,324,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275,621.76 : 12,409,434.48 = 2,884,145.12 : x
  2. Step 2: Convert to fraction form
    8,275,621.76/12,409,434.48 = 2,884,145.12/x
  3. Step 3: Cross multiply
    8,275,621.76x = 12,409,434.48 × 2,884,145.12
  4. Step 4: Simplify right side
    8,275,621.76x = 35,790,609,897,451.74
  5. Step 5: Solve for x
    x = 35,790,609,897,451.74/8,275,621.76
  6. Step 6: Final answer
    x = 4,324,824.28

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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.