Home / 7,691,378.92-10,612,923.89-4,427,562.98

Finding the Fourth Proportional to 7,691,378.92, 10,612,923.89 and 4,427,562.98

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Solution

The fourth proportional to 7,691,378.92, 10,612,923.89 and 4,427,562.98 is: 6,109,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,378.92 : 10,612,923.89 = 4,427,562.98 : x
  2. Step 2: Convert to fraction form
    7,691,378.92/10,612,923.89 = 4,427,562.98/x
  3. Step 3: Cross multiply
    7,691,378.92x = 10,612,923.89 × 4,427,562.98
  4. Step 4: Simplify right side
    7,691,378.92x = 46,989,388,929,316.09
  5. Step 5: Solve for x
    x = 46,989,388,929,316.09/7,691,378.92
  6. Step 6: Final answer
    x = 6,109,358.21

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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.