Home / 28,324,694.03-42,487,041.05-18,737,830.54

Finding the Fourth Proportional to 28,324,694.03, 42,487,041.05 and 18,737,830.54

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Solution

The fourth proportional to 28,324,694.03, 42,487,041.05 and 18,737,830.54 is: 28,106,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324,694.03 : 42,487,041.05 = 18,737,830.54 : x
  2. Step 2: Convert to fraction form
    28,324,694.03/42,487,041.05 = 18,737,830.54/x
  3. Step 3: Cross multiply
    28,324,694.03x = 42,487,041.05 × 18,737,830.54
  4. Step 4: Simplify right side
    28,324,694.03x = 796,114,975,317,919.50
  5. Step 5: Solve for x
    x = 796,114,975,317,919.50/28,324,694.03
  6. Step 6: Final answer
    x = 28,106,745.81

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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.