Home / 21,338,166.15-32,007,250.62-5,164,120.17

Finding the Fourth Proportional to 21,338,166.15, 32,007,250.62 and 5,164,120.17

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Solution

The fourth proportional to 21,338,166.15, 32,007,250.62 and 5,164,120.17 is: 7,746,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,338,166.15 : 32,007,250.62 = 5,164,120.17 : x
  2. Step 2: Convert to fraction form
    21,338,166.15/32,007,250.62 = 5,164,120.17/x
  3. Step 3: Cross multiply
    21,338,166.15x = 32,007,250.62 × 5,164,120.17
  4. Step 4: Simplify right side
    21,338,166.15x = 165,289,288,512,987
  5. Step 5: Solve for x
    x = 165,289,288,512,987/21,338,166.15
  6. Step 6: Final answer
    x = 7,746,180.59

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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.