Home / 8,219,712.76-12,334,440-4,579,489.54

Finding the Fourth Proportional to 8,219,712.76, 12,334,440 and 4,579,489.54

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Solution

The fourth proportional to 8,219,712.76, 12,334,440 and 4,579,489.54 is: 6,871,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,712.76 : 12,334,440 = 4,579,489.54 : x
  2. Step 2: Convert to fraction form
    8,219,712.76/12,334,440 = 4,579,489.54/x
  3. Step 3: Cross multiply
    8,219,712.76x = 12,334,440 × 4,579,489.54
  4. Step 4: Simplify right side
    8,219,712.76x = 56,485,438,961,757.60
  5. Step 5: Solve for x
    x = 56,485,438,961,757.60/8,219,712.76
  6. Step 6: Final answer
    x = 6,871,948.04

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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.