Home / 12,743,076.80-17,585,438.24-7,019,940.80

Finding the Fourth Proportional to 12,743,076.80, 17,585,438.24 and 7,019,940.80

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Solution

The fourth proportional to 12,743,076.80, 17,585,438.24 and 7,019,940.80 is: 9,687,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743,076.80 : 17,585,438.24 = 7,019,940.80 : x
  2. Step 2: Convert to fraction form
    12,743,076.80/17,585,438.24 = 7,019,940.80/x
  3. Step 3: Cross multiply
    12,743,076.80x = 17,585,438.24 × 7,019,940.80
  4. Step 4: Simplify right side
    12,743,076.80x = 123,448,735,386,856.17
  5. Step 5: Solve for x
    x = 123,448,735,386,856.17/12,743,076.80
  6. Step 6: Final answer
    x = 9,687,514.04

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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.