Home / 12,124,858.20-18,134,799.30-10,854,648.60

Finding the Fourth Proportional to 12,124,858.20, 18,134,799.30 and 10,854,648.60

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Solution

The fourth proportional to 12,124,858.20, 18,134,799.30 and 10,854,648.60 is: 16,234,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,858.20 : 18,134,799.30 = 10,854,648.60 : x
  2. Step 2: Convert to fraction form
    12,124,858.20/18,134,799.30 = 10,854,648.60/x
  3. Step 3: Cross multiply
    12,124,858.20x = 18,134,799.30 × 10,854,648.60
  4. Step 4: Simplify right side
    12,124,858.20x = 196,846,873,833,025.97
  5. Step 5: Solve for x
    x = 196,846,873,833,025.97/12,124,858.20
  6. Step 6: Final answer
    x = 16,234,983.58

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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.