Home / 20,125,677.96-30,131,826.66-18,084,944.52

Finding the Fourth Proportional to 20,125,677.96, 30,131,826.66 and 18,084,944.52

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Solution

The fourth proportional to 20,125,677.96, 30,131,826.66 and 18,084,944.52 is: 27,076,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125,677.96 : 30,131,826.66 = 18,084,944.52 : x
  2. Step 2: Convert to fraction form
    20,125,677.96/30,131,826.66 = 18,084,944.52/x
  3. Step 3: Cross multiply
    20,125,677.96x = 30,131,826.66 × 18,084,944.52
  4. Step 4: Simplify right side
    20,125,677.96x = 544,932,413,432,356.88
  5. Step 5: Solve for x
    x = 544,932,413,432,356.88/20,125,677.96
  6. Step 6: Final answer
    x = 27,076,474.87

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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.