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Finding the Fourth Proportional to 8,857,600.70, 13,265,405.85 and 8,857,600.70

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Solution

The fourth proportional to 8,857,600.70, 13,265,405.85 and 8,857,600.70 is: 13,265,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,600.70 : 13,265,405.85 = 8,857,600.70 : x
  2. Step 2: Convert to fraction form
    8,857,600.70/13,265,405.85 = 8,857,600.70/x
  3. Step 3: Cross multiply
    8,857,600.70x = 13,265,405.85 × 8,857,600.70
  4. Step 4: Simplify right side
    8,857,600.70x = 117,499,668,142,744.08
  5. Step 5: Solve for x
    x = 117,499,668,142,744.08/8,857,600.70
  6. Step 6: Final answer
    x = 13,265,405.85

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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.