Home / 20,633,174.20-30,876,278.10-17,966,783.80

Finding the Fourth Proportional to 20,633,174.20, 30,876,278.10 and 17,966,783.80

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Solution

The fourth proportional to 20,633,174.20, 30,876,278.10 and 17,966,783.80 is: 26,886,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633,174.20 : 30,876,278.10 = 17,966,783.80 : x
  2. Step 2: Convert to fraction form
    20,633,174.20/30,876,278.10 = 17,966,783.80/x
  3. Step 3: Cross multiply
    20,633,174.20x = 30,876,278.10 × 17,966,783.80
  4. Step 4: Simplify right side
    20,633,174.20x = 554,747,413,171,374.81
  5. Step 5: Solve for x
    x = 554,747,413,171,374.81/20,633,174.20
  6. Step 6: Final answer
    x = 26,886,188.61

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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.