Home / 10,120,571.20-13,966,545.72-5,536,969.12

Finding the Fourth Proportional to 10,120,571.20, 13,966,545.72 and 5,536,969.12

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Solution

The fourth proportional to 10,120,571.20, 13,966,545.72 and 5,536,969.12 is: 7,641,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,571.20 : 13,966,545.72 = 5,536,969.12 : x
  2. Step 2: Convert to fraction form
    10,120,571.20/13,966,545.72 = 5,536,969.12/x
  3. Step 3: Cross multiply
    10,120,571.20x = 13,966,545.72 × 5,536,969.12
  4. Step 4: Simplify right side
    10,120,571.20x = 77,332,332,364,708.17
  5. Step 5: Solve for x
    x = 77,332,332,364,708.17/10,120,571.20
  6. Step 6: Final answer
    x = 7,641,103.53

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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.