Home / 20,259,522.69-30,389,355.78-4,906,822.65

Finding the Fourth Proportional to 20,259,522.69, 30,389,355.78 and 4,906,822.65

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Solution

The fourth proportional to 20,259,522.69, 30,389,355.78 and 4,906,822.65 is: 7,360,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259,522.69 : 30,389,355.78 = 4,906,822.65 : x
  2. Step 2: Convert to fraction form
    20,259,522.69/30,389,355.78 = 4,906,822.65/x
  3. Step 3: Cross multiply
    20,259,522.69x = 30,389,355.78 × 4,906,822.65
  4. Step 4: Simplify right side
    20,259,522.69x = 149,115,179,260,212.44
  5. Step 5: Solve for x
    x = 149,115,179,260,212.44/20,259,522.69
  6. Step 6: Final answer
    x = 7,360,251.35

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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.