Home / 10,332,952.92-15,491,708.46-7,128,936.36

Finding the Fourth Proportional to 10,332,952.92, 15,491,708.46 and 7,128,936.36

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Solution

The fourth proportional to 10,332,952.92, 15,491,708.46 and 7,128,936.36 is: 10,688,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332,952.92 : 15,491,708.46 = 7,128,936.36 : x
  2. Step 2: Convert to fraction form
    10,332,952.92/15,491,708.46 = 7,128,936.36/x
  3. Step 3: Cross multiply
    10,332,952.92x = 15,491,708.46 × 7,128,936.36
  4. Step 4: Simplify right side
    10,332,952.92x = 110,439,403,719,013.61
  5. Step 5: Solve for x
    x = 110,439,403,719,013.61/10,332,952.92
  6. Step 6: Final answer
    x = 10,688,077.70

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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.