Home / 20,193,605.80-30,290,408.70-17,961,553.60

Finding the Fourth Proportional to 20,193,605.80, 30,290,408.70 and 17,961,553.60

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Solution

The fourth proportional to 20,193,605.80, 30,290,408.70 and 17,961,553.60 is: 26,942,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,605.80 : 30,290,408.70 = 17,961,553.60 : x
  2. Step 2: Convert to fraction form
    20,193,605.80/30,290,408.70 = 17,961,553.60/x
  3. Step 3: Cross multiply
    20,193,605.80x = 30,290,408.70 × 17,961,553.60
  4. Step 4: Simplify right side
    20,193,605.80x = 544,062,799,430,956.38
  5. Step 5: Solve for x
    x = 544,062,799,430,956.38/20,193,605.80
  6. Step 6: Final answer
    x = 26,942,330.40

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1.5x scale

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.