Home / 18,635,815.95-27,917,357.98-14,517,855.43

Finding the Fourth Proportional to 18,635,815.95, 27,917,357.98 and 14,517,855.43

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Solution

The fourth proportional to 18,635,815.95, 27,917,357.98 and 14,517,855.43 is: 21,748,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635,815.95 : 27,917,357.98 = 14,517,855.43 : x
  2. Step 2: Convert to fraction form
    18,635,815.95/27,917,357.98 = 14,517,855.43/x
  3. Step 3: Cross multiply
    18,635,815.95x = 27,917,357.98 × 14,517,855.43
  4. Step 4: Simplify right side
    18,635,815.95x = 405,300,167,069,967.56
  5. Step 5: Solve for x
    x = 405,300,167,069,967.56/18,635,815.95
  6. Step 6: Final answer
    x = 21,748,452.98

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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.