Home / 38,335,311.60-52,904,873.40-20,933,272.40

Finding the Fourth Proportional to 38,335,311.60, 52,904,873.40 and 20,933,272.40

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Solution

The fourth proportional to 38,335,311.60, 52,904,873.40 and 20,933,272.40 is: 28,889,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335,311.60 : 52,904,873.40 = 20,933,272.40 : x
  2. Step 2: Convert to fraction form
    38,335,311.60/52,904,873.40 = 20,933,272.40/x
  3. Step 3: Cross multiply
    38,335,311.60x = 52,904,873.40 × 20,933,272.40
  4. Step 4: Simplify right side
    38,335,311.60x = 1,107,472,126,169,714
  5. Step 5: Solve for x
    x = 1,107,472,126,169,714/38,335,311.60
  6. Step 6: Final answer
    x = 28,889,086.33

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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.