Home / 7,222,915.26-9,967,559.49-3,959,670.69

Finding the Fourth Proportional to 7,222,915.26, 9,967,559.49 and 3,959,670.69

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Solution

The fourth proportional to 7,222,915.26, 9,967,559.49 and 3,959,670.69 is: 5,464,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,915.26 : 9,967,559.49 = 3,959,670.69 : x
  2. Step 2: Convert to fraction form
    7,222,915.26/9,967,559.49 = 3,959,670.69/x
  3. Step 3: Cross multiply
    7,222,915.26x = 9,967,559.49 × 3,959,670.69
  4. Step 4: Simplify right side
    7,222,915.26x = 39,468,253,163,384.35
  5. Step 5: Solve for x
    x = 39,468,253,163,384.35/7,222,915.26
  6. Step 6: Final answer
    x = 5,464,310.70

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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.