Home / 12,873,926.72-17,766,331.84-7,073,084.16

Finding the Fourth Proportional to 12,873,926.72, 17,766,331.84 and 7,073,084.16

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Solution

The fourth proportional to 12,873,926.72, 17,766,331.84 and 7,073,084.16 is: 9,761,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,926.72 : 17,766,331.84 = 7,073,084.16 : x
  2. Step 2: Convert to fraction form
    12,873,926.72/17,766,331.84 = 7,073,084.16/x
  3. Step 3: Cross multiply
    12,873,926.72x = 17,766,331.84 × 7,073,084.16
  4. Step 4: Simplify right side
    12,873,926.72x = 125,662,760,318,807.66
  5. Step 5: Solve for x
    x = 125,662,760,318,807.66/12,873,926.72
  6. Step 6: Final answer
    x = 9,761,028.09

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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.