Home / 38,600,540.20-53,269,357.50-20,959,432.84

Finding the Fourth Proportional to 38,600,540.20, 53,269,357.50 and 20,959,432.84

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Solution

The fourth proportional to 38,600,540.20, 53,269,357.50 and 20,959,432.84 is: 28,924,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600,540.20 : 53,269,357.50 = 20,959,432.84 : x
  2. Step 2: Convert to fraction form
    38,600,540.20/53,269,357.50 = 20,959,432.84/x
  3. Step 3: Cross multiply
    38,600,540.20x = 53,269,357.50 × 20,959,432.84
  4. Step 4: Simplify right side
    38,600,540.20x = 1,116,495,520,951,200.25
  5. Step 5: Solve for x
    x = 1,116,495,520,951,200.25/38,600,540.20
  6. Step 6: Final answer
    x = 28,924,349.64

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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.