Home / 19,006,229.10-28,509,343.65-18,722,793.90

Finding the Fourth Proportional to 19,006,229.10, 28,509,343.65 and 18,722,793.90

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Solution

The fourth proportional to 19,006,229.10, 28,509,343.65 and 18,722,793.90 is: 28,084,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006,229.10 : 28,509,343.65 = 18,722,793.90 : x
  2. Step 2: Convert to fraction form
    19,006,229.10/28,509,343.65 = 18,722,793.90/x
  3. Step 3: Cross multiply
    19,006,229.10x = 28,509,343.65 × 18,722,793.90
  4. Step 4: Simplify right side
    19,006,229.10x = 533,774,565,383,223.69
  5. Step 5: Solve for x
    x = 533,774,565,383,223.69/19,006,229.10
  6. Step 6: Final answer
    x = 28,084,190.85

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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.