Home / 8,822,420.70-13,233,631.05-8,449,172.70

Finding the Fourth Proportional to 8,822,420.70, 13,233,631.05 and 8,449,172.70

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Solution

The fourth proportional to 8,822,420.70, 13,233,631.05 and 8,449,172.70 is: 12,673,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822,420.70 : 13,233,631.05 = 8,449,172.70 : x
  2. Step 2: Convert to fraction form
    8,822,420.70/13,233,631.05 = 8,449,172.70/x
  3. Step 3: Cross multiply
    8,822,420.70x = 13,233,631.05 × 8,449,172.70
  4. Step 4: Simplify right side
    8,822,420.70x = 111,813,234,189,532.33
  5. Step 5: Solve for x
    x = 111,813,234,189,532.33/8,822,420.70
  6. Step 6: Final answer
    x = 12,673,759.05

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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.