Home / 9,659,851.78-13,330,915.05-5,309,092.30

Finding the Fourth Proportional to 9,659,851.78, 13,330,915.05 and 5,309,092.30

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Solution

The fourth proportional to 9,659,851.78, 13,330,915.05 and 5,309,092.30 is: 7,326,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,851.78 : 13,330,915.05 = 5,309,092.30 : x
  2. Step 2: Convert to fraction form
    9,659,851.78/13,330,915.05 = 5,309,092.30/x
  3. Step 3: Cross multiply
    9,659,851.78x = 13,330,915.05 × 5,309,092.30
  4. Step 4: Simplify right side
    9,659,851.78x = 70,775,058,443,909.11
  5. Step 5: Solve for x
    x = 70,775,058,443,909.11/9,659,851.78
  6. Step 6: Final answer
    x = 7,326,723.02

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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.