Home / 12,691,525.41-17,496,952.69-8,717,675.33

Finding the Fourth Proportional to 12,691,525.41, 17,496,952.69 and 8,717,675.33

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Solution

The fourth proportional to 12,691,525.41, 17,496,952.69 and 8,717,675.33 is: 12,018,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,525.41 : 17,496,952.69 = 8,717,675.33 : x
  2. Step 2: Convert to fraction form
    12,691,525.41/17,496,952.69 = 8,717,675.33/x
  3. Step 3: Cross multiply
    12,691,525.41x = 17,496,952.69 × 8,717,675.33
  4. Step 4: Simplify right side
    12,691,525.41x = 152,532,752,815,790.16
  5. Step 5: Solve for x
    x = 152,532,752,815,790.16/12,691,525.41
  6. Step 6: Final answer
    x = 12,018,472.79

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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.