Home / 37,081,979.80-55,646,589.30-21,729,239.80

Finding the Fourth Proportional to 37,081,979.80, 55,646,589.30 and 21,729,239.80

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Solution

The fourth proportional to 37,081,979.80, 55,646,589.30 and 21,729,239.80 is: 32,607,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081,979.80 : 55,646,589.30 = 21,729,239.80 : x
  2. Step 2: Convert to fraction form
    37,081,979.80/55,646,589.30 = 21,729,239.80/x
  3. Step 3: Cross multiply
    37,081,979.80x = 55,646,589.30 × 21,729,239.80
  4. Step 4: Simplify right side
    37,081,979.80x = 1,209,158,082,951,814
  5. Step 5: Solve for x
    x = 1,209,158,082,951,814/37,081,979.80
  6. Step 6: Final answer
    x = 32,607,700.28

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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.