Home / 7,151,970.64-9,869,650.92-3,888,786.52

Finding the Fourth Proportional to 7,151,970.64, 9,869,650.92 and 3,888,786.52

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Solution

The fourth proportional to 7,151,970.64, 9,869,650.92 and 3,888,786.52 is: 5,366,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151,970.64 : 9,869,650.92 = 3,888,786.52 : x
  2. Step 2: Convert to fraction form
    7,151,970.64/9,869,650.92 = 3,888,786.52/x
  3. Step 3: Cross multiply
    7,151,970.64x = 9,869,650.92 × 3,888,786.52
  4. Step 4: Simplify right side
    7,151,970.64x = 38,380,965,454,801.60
  5. Step 5: Solve for x
    x = 38,380,965,454,801.60/7,151,970.64
  6. Step 6: Final answer
    x = 5,366,488.12

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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.