Home / 18,439,933.40-27,603,912.90-16,424,394.20

Finding the Fourth Proportional to 18,439,933.40, 27,603,912.90 and 16,424,394.20

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Solution

The fourth proportional to 18,439,933.40, 27,603,912.90 and 16,424,394.20 is: 24,586,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,933.40 : 27,603,912.90 = 16,424,394.20 : x
  2. Step 2: Convert to fraction form
    18,439,933.40/27,603,912.90 = 16,424,394.20/x
  3. Step 3: Cross multiply
    18,439,933.40x = 27,603,912.90 × 16,424,394.20
  4. Step 4: Simplify right side
    18,439,933.40x = 453,377,546,932,065.12
  5. Step 5: Solve for x
    x = 453,377,546,932,065.12/18,439,933.40
  6. Step 6: Final answer
    x = 24,586,723.67

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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.