Home / 38,432,818.20-57,579,243.30-18,193,445.40

Finding the Fourth Proportional to 38,432,818.20, 57,579,243.30 and 18,193,445.40

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Solution

The fourth proportional to 38,432,818.20, 57,579,243.30 and 18,193,445.40 is: 27,257,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432,818.20 : 57,579,243.30 = 18,193,445.40 : x
  2. Step 2: Convert to fraction form
    38,432,818.20/57,579,243.30 = 18,193,445.40/x
  3. Step 3: Cross multiply
    38,432,818.20x = 57,579,243.30 × 18,193,445.40
  4. Step 4: Simplify right side
    38,432,818.20x = 1,047,564,819,151,865.62
  5. Step 5: Solve for x
    x = 1,047,564,819,151,865.62/38,432,818.20
  6. Step 6: Final answer
    x = 27,257,038.86

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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.