Home / 8,857,709.87-13,286,564.96-2,126,123.87

Finding the Fourth Proportional to 8,857,709.87, 13,286,564.96 and 2,126,123.87

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Solution

The fourth proportional to 8,857,709.87, 13,286,564.96 and 2,126,123.87 is: 3,189,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,709.87 : 13,286,564.96 = 2,126,123.87 : x
  2. Step 2: Convert to fraction form
    8,857,709.87/13,286,564.96 = 2,126,123.87/x
  3. Step 3: Cross multiply
    8,857,709.87x = 13,286,564.96 × 2,126,123.87
  4. Step 4: Simplify right side
    8,857,709.87x = 28,248,882,911,761.60
  5. Step 5: Solve for x
    x = 28,248,882,911,761.60/8,857,709.87
  6. Step 6: Final answer
    x = 3,189,185.84

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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.