Home / 12,808,926.39-17,676,517.71-7,007,805.01

Finding the Fourth Proportional to 12,808,926.39, 17,676,517.71 and 7,007,805.01

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Solution

The fourth proportional to 12,808,926.39, 17,676,517.71 and 7,007,805.01 is: 9,670,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808,926.39 : 17,676,517.71 = 7,007,805.01 : x
  2. Step 2: Convert to fraction form
    12,808,926.39/17,676,517.71 = 7,007,805.01/x
  3. Step 3: Cross multiply
    12,808,926.39x = 17,676,517.71 × 7,007,805.01
  4. Step 4: Simplify right side
    12,808,926.39x = 123,873,589,415,866.66
  5. Step 5: Solve for x
    x = 123,873,589,415,866.66/12,808,926.39
  6. Step 6: Final answer
    x = 9,670,879.95

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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.