Home / 18,840,118.40-28,260,177.60-6,871,299.20

Finding the Fourth Proportional to 18,840,118.40, 28,260,177.60 and 6,871,299.20

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Solution

The fourth proportional to 18,840,118.40, 28,260,177.60 and 6,871,299.20 is: 10,306,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840,118.40 : 28,260,177.60 = 6,871,299.20 : x
  2. Step 2: Convert to fraction form
    18,840,118.40/28,260,177.60 = 6,871,299.20/x
  3. Step 3: Cross multiply
    18,840,118.40x = 28,260,177.60 × 6,871,299.20
  4. Step 4: Simplify right side
    18,840,118.40x = 194,184,135,734,737.94
  5. Step 5: Solve for x
    x = 194,184,135,734,737.94/18,840,118.40
  6. Step 6: Final answer
    x = 10,306,948.80

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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.