Home / 9,220,371.89-12,728,418.66-5,352,148.44

Finding the Fourth Proportional to 9,220,371.89, 12,728,418.66 and 5,352,148.44

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Solution

The fourth proportional to 9,220,371.89, 12,728,418.66 and 5,352,148.44 is: 7,388,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,371.89 : 12,728,418.66 = 5,352,148.44 : x
  2. Step 2: Convert to fraction form
    9,220,371.89/12,728,418.66 = 5,352,148.44/x
  3. Step 3: Cross multiply
    9,220,371.89x = 12,728,418.66 × 5,352,148.44
  4. Step 4: Simplify right side
    9,220,371.89x = 68,124,386,074,785.90
  5. Step 5: Solve for x
    x = 68,124,386,074,785.90/9,220,371.89
  6. Step 6: Final answer
    x = 7,388,464.04

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1.5x scale

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.