Home / 13,251,637.70-19,877,456.55-11,976,179.30

Finding the Fourth Proportional to 13,251,637.70, 19,877,456.55 and 11,976,179.30

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Solution

The fourth proportional to 13,251,637.70, 19,877,456.55 and 11,976,179.30 is: 17,964,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251,637.70 : 19,877,456.55 = 11,976,179.30 : x
  2. Step 2: Convert to fraction form
    13,251,637.70/19,877,456.55 = 11,976,179.30/x
  3. Step 3: Cross multiply
    13,251,637.70x = 19,877,456.55 × 11,976,179.30
  4. Step 4: Simplify right side
    13,251,637.70x = 238,055,983,670,759.44
  5. Step 5: Solve for x
    x = 238,055,983,670,759.44/13,251,637.70
  6. Step 6: Final answer
    x = 17,964,268.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.