Home / 38,659,569.20-58,005,942.60-19,748,337.20

Finding the Fourth Proportional to 38,659,569.20, 58,005,942.60 and 19,748,337.20

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Solution

The fourth proportional to 38,659,569.20, 58,005,942.60 and 19,748,337.20 is: 29,630,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659,569.20 : 58,005,942.60 = 19,748,337.20 : x
  2. Step 2: Convert to fraction form
    38,659,569.20/58,005,942.60 = 19,748,337.20/x
  3. Step 3: Cross multiply
    38,659,569.20x = 58,005,942.60 × 19,748,337.20
  4. Step 4: Simplify right side
    38,659,569.20x = 1,145,520,914,068,644.75
  5. Step 5: Solve for x
    x = 1,145,520,914,068,644.75/38,659,569.20
  6. Step 6: Final answer
    x = 29,630,979.80

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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.