Home / 22,010,018.70-33,015,028.05-19,658,556.30

Finding the Fourth Proportional to 22,010,018.70, 33,015,028.05 and 19,658,556.30

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Solution

The fourth proportional to 22,010,018.70, 33,015,028.05 and 19,658,556.30 is: 29,487,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010,018.70 : 33,015,028.05 = 19,658,556.30 : x
  2. Step 2: Convert to fraction form
    22,010,018.70/33,015,028.05 = 19,658,556.30/x
  3. Step 3: Cross multiply
    22,010,018.70x = 33,015,028.05 × 19,658,556.30
  4. Step 4: Simplify right side
    22,010,018.70x = 649,027,787,667,004.25
  5. Step 5: Solve for x
    x = 649,027,787,667,004.25/22,010,018.70
  6. Step 6: Final answer
    x = 29,487,834.45

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Double scale
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Similar ratio
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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.