Home / 15,189,245.66-20,961,184.38-8,314,163.30

Finding the Fourth Proportional to 15,189,245.66, 20,961,184.38 and 8,314,163.30

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Solution

The fourth proportional to 15,189,245.66, 20,961,184.38 and 8,314,163.30 is: 11,473,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,245.66 : 20,961,184.38 = 8,314,163.30 : x
  2. Step 2: Convert to fraction form
    15,189,245.66/20,961,184.38 = 8,314,163.30/x
  3. Step 3: Cross multiply
    15,189,245.66x = 20,961,184.38 × 8,314,163.30
  4. Step 4: Simplify right side
    15,189,245.66x = 174,274,709,896,729.25
  5. Step 5: Solve for x
    x = 174,274,709,896,729.25/15,189,245.66
  6. Step 6: Final answer
    x = 11,473,559.24

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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.