Home / 18,683,905.20-28,023,233.40-5,905,701.60

Finding the Fourth Proportional to 18,683,905.20, 28,023,233.40 and 5,905,701.60

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Solution

The fourth proportional to 18,683,905.20, 28,023,233.40 and 5,905,701.60 is: 8,857,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,905.20 : 28,023,233.40 = 5,905,701.60 : x
  2. Step 2: Convert to fraction form
    18,683,905.20/28,023,233.40 = 5,905,701.60/x
  3. Step 3: Cross multiply
    18,683,905.20x = 28,023,233.40 × 5,905,701.60
  4. Step 4: Simplify right side
    18,683,905.20x = 165,496,854,327,553.41
  5. Step 5: Solve for x
    x = 165,496,854,327,553.41/18,683,905.20
  6. Step 6: Final answer
    x = 8,857,722.87

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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.