Home / 15,588,936.91-21,512,288.01-8,619,494.59

Finding the Fourth Proportional to 15,588,936.91, 21,512,288.01 and 8,619,494.59

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Solution

The fourth proportional to 15,588,936.91, 21,512,288.01 and 8,619,494.59 is: 11,894,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,936.91 : 21,512,288.01 = 8,619,494.59 : x
  2. Step 2: Convert to fraction form
    15,588,936.91/21,512,288.01 = 8,619,494.59/x
  3. Step 3: Cross multiply
    15,588,936.91x = 21,512,288.01 × 8,619,494.59
  4. Step 4: Simplify right side
    15,588,936.91x = 185,425,050,120,716.88
  5. Step 5: Solve for x
    x = 185,425,050,120,716.88/15,588,936.91
  6. Step 6: Final answer
    x = 11,894,656.52

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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.