Home / 18,715,745.60-28,073,618.40-16,164,828.80

Finding the Fourth Proportional to 18,715,745.60, 28,073,618.40 and 16,164,828.80

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Solution

The fourth proportional to 18,715,745.60, 28,073,618.40 and 16,164,828.80 is: 24,247,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,745.60 : 28,073,618.40 = 16,164,828.80 : x
  2. Step 2: Convert to fraction form
    18,715,745.60/28,073,618.40 = 16,164,828.80/x
  3. Step 3: Cross multiply
    18,715,745.60x = 28,073,618.40 × 16,164,828.80
  4. Step 4: Simplify right side
    18,715,745.60x = 453,805,235,232,529.94
  5. Step 5: Solve for x
    x = 453,805,235,232,529.94/18,715,745.60
  6. Step 6: Final answer
    x = 24,247,243.20

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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.