Home / 38,251,225.48-52,785,151.46-20,847,196.20

Finding the Fourth Proportional to 38,251,225.48, 52,785,151.46 and 20,847,196.20

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Solution

The fourth proportional to 38,251,225.48, 52,785,151.46 and 20,847,196.20 is: 28,768,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251,225.48 : 52,785,151.46 = 20,847,196.20 : x
  2. Step 2: Convert to fraction form
    38,251,225.48/52,785,151.46 = 20,847,196.20/x
  3. Step 3: Cross multiply
    38,251,225.48x = 52,785,151.46 × 20,847,196.20
  4. Step 4: Simplify right side
    38,251,225.48x = 1,100,422,408,933,336.38
  5. Step 5: Solve for x
    x = 1,100,422,408,933,336.38/38,251,225.48
  6. Step 6: Final answer
    x = 28,768,291.61

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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.