Home / 8,612,534.27-12,918,371.96-3,220,788.30

Finding the Fourth Proportional to 8,612,534.27, 12,918,371.96 and 3,220,788.30

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Solution

The fourth proportional to 8,612,534.27, 12,918,371.96 and 3,220,788.30 is: 4,831,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,534.27 : 12,918,371.96 = 3,220,788.30 : x
  2. Step 2: Convert to fraction form
    8,612,534.27/12,918,371.96 = 3,220,788.30/x
  3. Step 3: Cross multiply
    8,612,534.27x = 12,918,371.96 × 3,220,788.30
  4. Step 4: Simplify right side
    8,612,534.27x = 41,607,341,247,712.12
  5. Step 5: Solve for x
    x = 41,607,341,247,712.12/8,612,534.27
  6. Step 6: Final answer
    x = 4,831,021.85

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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.