Home / 21,995,072.88-32,986,233-9,215,216.88

Finding the Fourth Proportional to 21,995,072.88, 32,986,233 and 9,215,216.88

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Solution

The fourth proportional to 21,995,072.88, 32,986,233 and 9,215,216.88 is: 13,820,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995,072.88 : 32,986,233 = 9,215,216.88 : x
  2. Step 2: Convert to fraction form
    21,995,072.88/32,986,233 = 9,215,216.88/x
  3. Step 3: Cross multiply
    21,995,072.88x = 32,986,233 × 9,215,216.88
  4. Step 4: Simplify right side
    21,995,072.88x = 303,975,291,149,213.06
  5. Step 5: Solve for x
    x = 303,975,291,149,213.06/21,995,072.88
  6. Step 6: Final answer
    x = 13,820,153.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.