Home / 21,250,471.08-29,321,987.94-11,956,751.40

Finding the Fourth Proportional to 21,250,471.08, 29,321,987.94 and 11,956,751.40

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Solution

The fourth proportional to 21,250,471.08, 29,321,987.94 and 11,956,751.40 is: 16,498,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250,471.08 : 29,321,987.94 = 11,956,751.40 : x
  2. Step 2: Convert to fraction form
    21,250,471.08/29,321,987.94 = 11,956,751.40/x
  3. Step 3: Cross multiply
    21,250,471.08x = 29,321,987.94 × 11,956,751.40
  4. Step 4: Simplify right side
    21,250,471.08x = 350,595,720,352,378.12
  5. Step 5: Solve for x
    x = 350,595,720,352,378.12/21,250,471.08
  6. Step 6: Final answer
    x = 16,498,256.39

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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.