Home / 10,125,556.27-13,973,304.43-5,479,340.78

Finding the Fourth Proportional to 10,125,556.27, 13,973,304.43 and 5,479,340.78

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Solution

The fourth proportional to 10,125,556.27, 13,973,304.43 and 5,479,340.78 is: 7,561,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,556.27 : 13,973,304.43 = 5,479,340.78 : x
  2. Step 2: Convert to fraction form
    10,125,556.27/13,973,304.43 = 5,479,340.78/x
  3. Step 3: Cross multiply
    10,125,556.27x = 13,973,304.43 × 5,479,340.78
  4. Step 4: Simplify right side
    10,125,556.27x = 76,564,496,836,436.09
  5. Step 5: Solve for x
    x = 76,564,496,836,436.09/10,125,556.27
  6. Step 6: Final answer
    x = 7,561,510.18

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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.