Home / 10,863,786.40-16,295,679.60-9,110,031.10

Finding the Fourth Proportional to 10,863,786.40, 16,295,679.60 and 9,110,031.10

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Solution

The fourth proportional to 10,863,786.40, 16,295,679.60 and 9,110,031.10 is: 13,665,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,786.40 : 16,295,679.60 = 9,110,031.10 : x
  2. Step 2: Convert to fraction form
    10,863,786.40/16,295,679.60 = 9,110,031.10/x
  3. Step 3: Cross multiply
    10,863,786.40x = 16,295,679.60 × 9,110,031.10
  4. Step 4: Simplify right side
    10,863,786.40x = 148,454,147,951,635.56
  5. Step 5: Solve for x
    x = 148,454,147,951,635.56/10,863,786.40
  6. Step 6: Final answer
    x = 13,665,046.65

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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.