Home / 39,198,655.68-58,805,832.08-21,951,383.86

Finding the Fourth Proportional to 39,198,655.68, 58,805,832.08 and 21,951,383.86

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Solution

The fourth proportional to 39,198,655.68, 58,805,832.08 and 21,951,383.86 is: 32,931,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198,655.68 : 58,805,832.08 = 21,951,383.86 : x
  2. Step 2: Convert to fraction form
    39,198,655.68/58,805,832.08 = 21,951,383.86/x
  3. Step 3: Cross multiply
    39,198,655.68x = 58,805,832.08 × 21,951,383.86
  4. Step 4: Simplify right side
    39,198,655.68x = 1,290,869,393,194,782.25
  5. Step 5: Solve for x
    x = 1,290,869,393,194,782.25/39,198,655.68
  6. Step 6: Final answer
    x = 32,931,471.01

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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.