Home / 8,147,363.54-11,238,684.80-5,086,263.38

Finding the Fourth Proportional to 8,147,363.54, 11,238,684.80 and 5,086,263.38

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Solution

The fourth proportional to 8,147,363.54, 11,238,684.80 and 5,086,263.38 is: 7,016,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,363.54 : 11,238,684.80 = 5,086,263.38 : x
  2. Step 2: Convert to fraction form
    8,147,363.54/11,238,684.80 = 5,086,263.38/x
  3. Step 3: Cross multiply
    8,147,363.54x = 11,238,684.80 × 5,086,263.38
  4. Step 4: Simplify right side
    8,147,363.54x = 57,162,910,855,977.88
  5. Step 5: Solve for x
    x = 57,162,910,855,977.88/8,147,363.54
  6. Step 6: Final answer
    x = 7,016,123.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.