Home / 8,198,820.40-12,305,666.40-4,158,119.20

Finding the Fourth Proportional to 8,198,820.40, 12,305,666.40 and 4,158,119.20

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Solution

The fourth proportional to 8,198,820.40, 12,305,666.40 and 4,158,119.20 is: 6,240,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,820.40 : 12,305,666.40 = 4,158,119.20 : x
  2. Step 2: Convert to fraction form
    8,198,820.40/12,305,666.40 = 4,158,119.20/x
  3. Step 3: Cross multiply
    8,198,820.40x = 12,305,666.40 × 4,158,119.20
  4. Step 4: Simplify right side
    8,198,820.40x = 51,168,427,726,634.88
  5. Step 5: Solve for x
    x = 51,168,427,726,634.88/8,198,820.40
  6. Step 6: Final answer
    x = 6,240,949.95

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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.