Home / 8,857,003.70-13,285,505.55-8,689,042.10

Finding the Fourth Proportional to 8,857,003.70, 13,285,505.55 and 8,689,042.10

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Solution

The fourth proportional to 8,857,003.70, 13,285,505.55 and 8,689,042.10 is: 13,033,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,003.70 : 13,285,505.55 = 8,689,042.10 : x
  2. Step 2: Convert to fraction form
    8,857,003.70/13,285,505.55 = 8,689,042.10/x
  3. Step 3: Cross multiply
    8,857,003.70x = 13,285,505.55 × 8,689,042.10
  4. Step 4: Simplify right side
    8,857,003.70x = 115,438,317,043,733.66
  5. Step 5: Solve for x
    x = 115,438,317,043,733.66/8,857,003.70
  6. Step 6: Final answer
    x = 13,033,563.15

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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.