Home / 7,066,736.88-9,752,184.48-3,969,936.68

Finding the Fourth Proportional to 7,066,736.88, 9,752,184.48 and 3,969,936.68

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Solution

The fourth proportional to 7,066,736.88, 9,752,184.48 and 3,969,936.68 is: 5,478,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066,736.88 : 9,752,184.48 = 3,969,936.68 : x
  2. Step 2: Convert to fraction form
    7,066,736.88/9,752,184.48 = 3,969,936.68/x
  3. Step 3: Cross multiply
    7,066,736.88x = 9,752,184.48 × 3,969,936.68
  4. Step 4: Simplify right side
    7,066,736.88x = 38,715,554,828,517.80
  5. Step 5: Solve for x
    x = 38,715,554,828,517.80/7,066,736.88
  6. Step 6: Final answer
    x = 5,478,561.82

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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.