Home / 25,675,860.80-35,436,321.24-15,889,456.82

Finding the Fourth Proportional to 25,675,860.80, 35,436,321.24 and 15,889,456.82

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Solution

The fourth proportional to 25,675,860.80, 35,436,321.24 and 15,889,456.82 is: 21,929,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675,860.80 : 35,436,321.24 = 15,889,456.82 : x
  2. Step 2: Convert to fraction form
    25,675,860.80/35,436,321.24 = 15,889,456.82/x
  3. Step 3: Cross multiply
    25,675,860.80x = 35,436,321.24 × 15,889,456.82
  4. Step 4: Simplify right side
    25,675,860.80x = 563,063,896,202,628.88
  5. Step 5: Solve for x
    x = 563,063,896,202,628.88/25,675,860.80
  6. Step 6: Final answer
    x = 21,929,698.89

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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.