Home / 38,432,819.20-57,579,244.80-18,193,446.40

Finding the Fourth Proportional to 38,432,819.20, 57,579,244.80 and 18,193,446.40

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Solution

The fourth proportional to 38,432,819.20, 57,579,244.80 and 18,193,446.40 is: 27,257,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432,819.20 : 57,579,244.80 = 18,193,446.40 : x
  2. Step 2: Convert to fraction form
    38,432,819.20/57,579,244.80 = 18,193,446.40/x
  3. Step 3: Cross multiply
    38,432,819.20x = 57,579,244.80 × 18,193,446.40
  4. Step 4: Simplify right side
    38,432,819.20x = 1,047,564,904,021,278.62
  5. Step 5: Solve for x
    x = 1,047,564,904,021,278.62/38,432,819.20
  6. Step 6: Final answer
    x = 27,257,040.36

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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.