Home / 10,933,305.40-16,390,626.90-7,728,349.24

Finding the Fourth Proportional to 10,933,305.40, 16,390,626.90 and 7,728,349.24

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Solution

The fourth proportional to 10,933,305.40, 16,390,626.90 and 7,728,349.24 is: 11,585,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933,305.40 : 16,390,626.90 = 7,728,349.24 : x
  2. Step 2: Convert to fraction form
    10,933,305.40/16,390,626.90 = 7,728,349.24/x
  3. Step 3: Cross multiply
    10,933,305.40x = 16,390,626.90 × 7,728,349.24
  4. Step 4: Simplify right side
    10,933,305.40x = 126,672,488,945,738.56
  5. Step 5: Solve for x
    x = 126,672,488,945,738.56/10,933,305.40
  6. Step 6: Final answer
    x = 11,585,927.98

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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.