Home / 22,019,911.70-33,029,867.55-21,138,113.30

Finding the Fourth Proportional to 22,019,911.70, 33,029,867.55 and 21,138,113.30

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Solution

The fourth proportional to 22,019,911.70, 33,029,867.55 and 21,138,113.30 is: 31,707,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,911.70 : 33,029,867.55 = 21,138,113.30 : x
  2. Step 2: Convert to fraction form
    22,019,911.70/33,029,867.55 = 21,138,113.30/x
  3. Step 3: Cross multiply
    22,019,911.70x = 33,029,867.55 × 21,138,113.30
  4. Step 4: Simplify right side
    22,019,911.70x = 698,189,082,555,893.50
  5. Step 5: Solve for x
    x = 698,189,082,555,893.50/22,019,911.70
  6. Step 6: Final answer
    x = 31,707,169.95

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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.