Home / 18,259,360-27,378,779.54-12,508,577.88

Finding the Fourth Proportional to 18,259,360, 27,378,779.54 and 12,508,577.88

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Solution

The fourth proportional to 18,259,360, 27,378,779.54 and 12,508,577.88 is: 18,755,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259,360 : 27,378,779.54 = 12,508,577.88 : x
  2. Step 2: Convert to fraction form
    18,259,360/27,378,779.54 = 12,508,577.88/x
  3. Step 3: Cross multiply
    18,259,360x = 27,378,779.54 × 12,508,577.88
  4. Step 4: Simplify right side
    18,259,360x = 342,469,596,135,440.56
  5. Step 5: Solve for x
    x = 342,469,596,135,440.56/18,259,360
  6. Step 6: Final answer
    x = 18,755,837.89

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1.5x scale

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.