Home / 6,988,571.76-9,643,486.68-3,932,736.24

Finding the Fourth Proportional to 6,988,571.76, 9,643,486.68 and 3,932,736.24

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Solution

The fourth proportional to 6,988,571.76, 9,643,486.68 and 3,932,736.24 is: 5,426,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,571.76 : 9,643,486.68 = 3,932,736.24 : x
  2. Step 2: Convert to fraction form
    6,988,571.76/9,643,486.68 = 3,932,736.24/x
  3. Step 3: Cross multiply
    6,988,571.76x = 9,643,486.68 × 3,932,736.24
  4. Step 4: Simplify right side
    6,988,571.76x = 37,925,289,546,393.28
  5. Step 5: Solve for x
    x = 37,925,289,546,393.28/6,988,571.76
  6. Step 6: Final answer
    x = 5,426,758.26

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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.