Home / 10,382,700.96-15,543,381.60-7,669,006.56

Finding the Fourth Proportional to 10,382,700.96, 15,543,381.60 and 7,669,006.56

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Solution

The fourth proportional to 10,382,700.96, 15,543,381.60 and 7,669,006.56 is: 11,480,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,700.96 : 15,543,381.60 = 7,669,006.56 : x
  2. Step 2: Convert to fraction form
    10,382,700.96/15,543,381.60 = 7,669,006.56/x
  3. Step 3: Cross multiply
    10,382,700.96x = 15,543,381.60 × 7,669,006.56
  4. Step 4: Simplify right side
    10,382,700.96x = 119,202,295,454,983.28
  5. Step 5: Solve for x
    x = 119,202,295,454,983.28/10,382,700.96
  6. Step 6: Final answer
    x = 11,480,856.08

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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.