Home / 18,753,325.80-28,087,998.30-15,394,093.80

Finding the Fourth Proportional to 18,753,325.80, 28,087,998.30 and 15,394,093.80

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Solution

The fourth proportional to 18,753,325.80, 28,087,998.30 and 15,394,093.80 is: 23,056,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753,325.80 : 28,087,998.30 = 15,394,093.80 : x
  2. Step 2: Convert to fraction form
    18,753,325.80/28,087,998.30 = 15,394,093.80/x
  3. Step 3: Cross multiply
    18,753,325.80x = 28,087,998.30 × 15,394,093.80
  4. Step 4: Simplify right side
    18,753,325.80x = 432,389,280,484,440.56
  5. Step 5: Solve for x
    x = 432,389,280,484,440.56/18,753,325.80
  6. Step 6: Final answer
    x = 23,056,671.93

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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.