Home / 22,143,030.70-33,214,546.05-7,782,313.90

Finding the Fourth Proportional to 22,143,030.70, 33,214,546.05 and 7,782,313.90

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Solution

The fourth proportional to 22,143,030.70, 33,214,546.05 and 7,782,313.90 is: 11,673,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,030.70 : 33,214,546.05 = 7,782,313.90 : x
  2. Step 2: Convert to fraction form
    22,143,030.70/33,214,546.05 = 7,782,313.90/x
  3. Step 3: Cross multiply
    22,143,030.70x = 33,214,546.05 × 7,782,313.90
  4. Step 4: Simplify right side
    22,143,030.70x = 258,486,023,407,105.12
  5. Step 5: Solve for x
    x = 258,486,023,407,105.12/22,143,030.70
  6. Step 6: Final answer
    x = 11,673,470.85

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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.