Home / 7,805,619.92-11,691,378.02-3,242,834.58

Finding the Fourth Proportional to 7,805,619.92, 11,691,378.02 and 3,242,834.58

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Solution

The fourth proportional to 7,805,619.92, 11,691,378.02 and 3,242,834.58 is: 4,857,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805,619.92 : 11,691,378.02 = 3,242,834.58 : x
  2. Step 2: Convert to fraction form
    7,805,619.92/11,691,378.02 = 3,242,834.58/x
  3. Step 3: Cross multiply
    7,805,619.92x = 11,691,378.02 × 3,242,834.58
  4. Step 4: Simplify right side
    7,805,619.92x = 37,913,204,931,107.93
  5. Step 5: Solve for x
    x = 37,913,204,931,107.93/7,805,619.92
  6. Step 6: Final answer
    x = 4,857,167.70

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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.