Home / 7,231,680.84-9,979,842.06-3,968,799.15

Finding the Fourth Proportional to 7,231,680.84, 9,979,842.06 and 3,968,799.15

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Solution

The fourth proportional to 7,231,680.84, 9,979,842.06 and 3,968,799.15 is: 5,477,010.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,680.84 : 9,979,842.06 = 3,968,799.15 : x
  2. Step 2: Convert to fraction form
    7,231,680.84/9,979,842.06 = 3,968,799.15/x
  3. Step 3: Cross multiply
    7,231,680.84x = 9,979,842.06 × 3,968,799.15
  4. Step 4: Simplify right side
    7,231,680.84x = 39,607,988,684,862.25
  5. Step 5: Solve for x
    x = 39,607,988,684,862.25/7,231,680.84
  6. Step 6: Final answer
    x = 5,477,010.06

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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.