Home / 38,195,562.25-52,709,882.09-20,792,037.72

Finding the Fourth Proportional to 38,195,562.25, 52,709,882.09 and 20,792,037.72

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Solution

The fourth proportional to 38,195,562.25, 52,709,882.09 and 20,792,037.72 is: 28,693,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,195,562.25 : 52,709,882.09 = 20,792,037.72 : x
  2. Step 2: Convert to fraction form
    38,195,562.25/52,709,882.09 = 20,792,037.72/x
  3. Step 3: Cross multiply
    38,195,562.25x = 52,709,882.09 × 20,792,037.72
  4. Step 4: Simplify right side
    38,195,562.25x = 1,095,945,856,725,734.25
  5. Step 5: Solve for x
    x = 1,095,945,856,725,734.25/38,195,562.25
  6. Step 6: Final answer
    x = 28,693,015.42

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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.