Home / 7,211,724.67-9,952,181.54-3,948,540.04

Finding the Fourth Proportional to 7,211,724.67, 9,952,181.54 and 3,948,540.04

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Solution

The fourth proportional to 7,211,724.67, 9,952,181.54 and 3,948,540.04 is: 5,448,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,724.67 : 9,952,181.54 = 3,948,540.04 : x
  2. Step 2: Convert to fraction form
    7,211,724.67/9,952,181.54 = 3,948,540.04/x
  3. Step 3: Cross multiply
    7,211,724.67x = 9,952,181.54 × 3,948,540.04
  4. Step 4: Simplify right side
    7,211,724.67x = 39,296,587,296,038.86
  5. Step 5: Solve for x
    x = 39,296,587,296,038.86/7,211,724.67
  6. Step 6: Final answer
    x = 5,448,986.07

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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.