Home / 12,695,858.55-17,525,645.84-8,571,474.21

Finding the Fourth Proportional to 12,695,858.55, 17,525,645.84 and 8,571,474.21

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Solution

The fourth proportional to 12,695,858.55, 17,525,645.84 and 8,571,474.21 is: 11,832,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695,858.55 : 17,525,645.84 = 8,571,474.21 : x
  2. Step 2: Convert to fraction form
    12,695,858.55/17,525,645.84 = 8,571,474.21/x
  3. Step 3: Cross multiply
    12,695,858.55x = 17,525,645.84 × 8,571,474.21
  4. Step 4: Simplify right side
    12,695,858.55x = 150,220,621,288,296.44
  5. Step 5: Solve for x
    x = 150,220,621,288,296.44/12,695,858.55
  6. Step 6: Final answer
    x = 11,832,253.86

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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.