Home / 20,491,968.35-30,733,424.01-5,915,719.86

Finding the Fourth Proportional to 20,491,968.35, 30,733,424.01 and 5,915,719.86

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Solution

The fourth proportional to 20,491,968.35, 30,733,424.01 and 5,915,719.86 is: 8,872,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,968.35 : 30,733,424.01 = 5,915,719.86 : x
  2. Step 2: Convert to fraction form
    20,491,968.35/30,733,424.01 = 5,915,719.86/x
  3. Step 3: Cross multiply
    20,491,968.35x = 30,733,424.01 × 5,915,719.86
  4. Step 4: Simplify right side
    20,491,968.35x = 181,810,326,781,757.84
  5. Step 5: Solve for x
    x = 181,810,326,781,757.84/20,491,968.35
  6. Step 6: Final answer
    x = 8,872,272.48

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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.