Home / 31,696,850-47,542,949.36-10,125,659.76

Finding the Fourth Proportional to 31,696,850, 47,542,949.36 and 10,125,659.76

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Solution

The fourth proportional to 31,696,850, 47,542,949.36 and 10,125,659.76 is: 15,187,746.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696,850 : 47,542,949.36 = 10,125,659.76 : x
  2. Step 2: Convert to fraction form
    31,696,850/47,542,949.36 = 10,125,659.76/x
  3. Step 3: Cross multiply
    31,696,850x = 47,542,949.36 × 10,125,659.76
  4. Step 4: Simplify right side
    31,696,850x = 481,403,729,206,269.75
  5. Step 5: Solve for x
    x = 481,403,729,206,269.75/31,696,850
  6. Step 6: Final answer
    x = 15,187,746.71

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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.