Home / 8,310,913.20-12,459,371.40-4,321,825.20

Finding the Fourth Proportional to 8,310,913.20, 12,459,371.40 and 4,321,825.20

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Solution

The fourth proportional to 8,310,913.20, 12,459,371.40 and 4,321,825.20 is: 6,479,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,913.20 : 12,459,371.40 = 4,321,825.20 : x
  2. Step 2: Convert to fraction form
    8,310,913.20/12,459,371.40 = 4,321,825.20/x
  3. Step 3: Cross multiply
    8,310,913.20x = 12,459,371.40 × 4,321,825.20
  4. Step 4: Simplify right side
    8,310,913.20x = 53,847,225,292,679.28
  5. Step 5: Solve for x
    x = 53,847,225,292,679.28/8,310,913.20
  6. Step 6: Final answer
    x = 6,479,098.51

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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.