Home / 18,821,812.20-28,232,135.10-5,358,640.20

Finding the Fourth Proportional to 18,821,812.20, 28,232,135.10 and 5,358,640.20

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Solution

The fourth proportional to 18,821,812.20, 28,232,135.10 and 5,358,640.20 is: 8,037,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,812.20 : 28,232,135.10 = 5,358,640.20 : x
  2. Step 2: Convert to fraction form
    18,821,812.20/28,232,135.10 = 5,358,640.20/x
  3. Step 3: Cross multiply
    18,821,812.20x = 28,232,135.10 × 5,358,640.20
  4. Step 4: Simplify right side
    18,821,812.20x = 151,285,854,078,691.03
  5. Step 5: Solve for x
    x = 151,285,854,078,691.03/18,821,812.20
  6. Step 6: Final answer
    x = 8,037,794.26

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1.5x scale

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.