Home / 18,693,605.80-28,040,408.70-8,056,037.80

Finding the Fourth Proportional to 18,693,605.80, 28,040,408.70 and 8,056,037.80

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Solution

The fourth proportional to 18,693,605.80, 28,040,408.70 and 8,056,037.80 is: 12,084,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,605.80 : 28,040,408.70 = 8,056,037.80 : x
  2. Step 2: Convert to fraction form
    18,693,605.80/28,040,408.70 = 8,056,037.80/x
  3. Step 3: Cross multiply
    18,693,605.80x = 28,040,408.70 × 8,056,037.80
  4. Step 4: Simplify right side
    18,693,605.80x = 225,894,592,414,648.84
  5. Step 5: Solve for x
    x = 225,894,592,414,648.84/18,693,605.80
  6. Step 6: Final answer
    x = 12,084,056.70

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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.