Home / 8,275,619.76-12,409,431.48-2,884,143.12

Finding the Fourth Proportional to 8,275,619.76, 12,409,431.48 and 2,884,143.12

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Solution

The fourth proportional to 8,275,619.76, 12,409,431.48 and 2,884,143.12 is: 4,324,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275,619.76 : 12,409,431.48 = 2,884,143.12 : x
  2. Step 2: Convert to fraction form
    8,275,619.76/12,409,431.48 = 2,884,143.12/x
  3. Step 3: Cross multiply
    8,275,619.76x = 12,409,431.48 × 2,884,143.12
  4. Step 4: Simplify right side
    8,275,619.76x = 35,790,576,426,153.42
  5. Step 5: Solve for x
    x = 35,790,576,426,153.42/8,275,619.76
  6. Step 6: Final answer
    x = 4,324,821.28

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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.