Home / 11,826,138.40-17,739,207.60-3,306,461.20

Finding the Fourth Proportional to 11,826,138.40, 17,739,207.60 and 3,306,461.20

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Solution

The fourth proportional to 11,826,138.40, 17,739,207.60 and 3,306,461.20 is: 4,959,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826,138.40 : 17,739,207.60 = 3,306,461.20 : x
  2. Step 2: Convert to fraction form
    11,826,138.40/17,739,207.60 = 3,306,461.20/x
  3. Step 3: Cross multiply
    11,826,138.40x = 17,739,207.60 × 3,306,461.20
  4. Step 4: Simplify right side
    11,826,138.40x = 58,654,001,648,145.12
  5. Step 5: Solve for x
    x = 58,654,001,648,145.12/11,826,138.40
  6. Step 6: Final answer
    x = 4,959,691.80

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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.