Home / 10,382,701.96-15,543,383.10-7,669,007.56

Finding the Fourth Proportional to 10,382,701.96, 15,543,383.10 and 7,669,007.56

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Solution

The fourth proportional to 10,382,701.96, 15,543,383.10 and 7,669,007.56 is: 11,480,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,701.96 : 15,543,383.10 = 7,669,007.56 : x
  2. Step 2: Convert to fraction form
    10,382,701.96/15,543,383.10 = 7,669,007.56/x
  3. Step 3: Cross multiply
    10,382,701.96x = 15,543,383.10 × 7,669,007.56
  4. Step 4: Simplify right side
    10,382,701.96x = 119,202,322,501,876.23
  5. Step 5: Solve for x
    x = 119,202,322,501,876.23/10,382,701.96
  6. Step 6: Final answer
    x = 11,480,857.58

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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.