Home / 12,124,854.20-18,134,793.30-10,854,644.60

Finding the Fourth Proportional to 12,124,854.20, 18,134,793.30 and 10,854,644.60

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Solution

The fourth proportional to 12,124,854.20, 18,134,793.30 and 10,854,644.60 is: 16,234,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,854.20 : 18,134,793.30 = 10,854,644.60 : x
  2. Step 2: Convert to fraction form
    12,124,854.20/18,134,793.30 = 10,854,644.60/x
  3. Step 3: Cross multiply
    12,124,854.20x = 18,134,793.30 × 10,854,644.60
  4. Step 4: Simplify right side
    12,124,854.20x = 196,846,736,165,961.19
  5. Step 5: Solve for x
    x = 196,846,736,165,961.19/12,124,854.20
  6. Step 6: Final answer
    x = 16,234,977.59

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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.