Home / 21,557,651.88-29,750,263.72-11,768,618.04

Finding the Fourth Proportional to 21,557,651.88, 29,750,263.72 and 11,768,618.04

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Solution

The fourth proportional to 21,557,651.88, 29,750,263.72 and 11,768,618.04 is: 16,241,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,651.88 : 29,750,263.72 = 11,768,618.04 : x
  2. Step 2: Convert to fraction form
    21,557,651.88/29,750,263.72 = 11,768,618.04/x
  3. Step 3: Cross multiply
    21,557,651.88x = 29,750,263.72 × 11,768,618.04
  4. Step 4: Simplify right side
    21,557,651.88x = 350,119,490,309,949.44
  5. Step 5: Solve for x
    x = 350,119,490,309,949.44/21,557,651.88
  6. Step 6: Final answer
    x = 16,241,077.29

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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.