Home / 8,859,176.70-13,288,765.05-8,691,215.10

Finding the Fourth Proportional to 8,859,176.70, 13,288,765.05 and 8,691,215.10

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Solution

The fourth proportional to 8,859,176.70, 13,288,765.05 and 8,691,215.10 is: 13,036,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,176.70 : 13,288,765.05 = 8,691,215.10 : x
  2. Step 2: Convert to fraction form
    8,859,176.70/13,288,765.05 = 8,691,215.10/x
  3. Step 3: Cross multiply
    8,859,176.70x = 13,288,765.05 × 8,691,215.10
  4. Step 4: Simplify right side
    8,859,176.70x = 115,495,515,462,912.25
  5. Step 5: Solve for x
    x = 115,495,515,462,912.25/8,859,176.70
  6. Step 6: Final answer
    x = 13,036,822.65

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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.