Home / 30,272,433.78-41,761,428.90-19,813,845.60

Finding the Fourth Proportional to 30,272,433.78, 41,761,428.90 and 19,813,845.60

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Solution

The fourth proportional to 30,272,433.78, 41,761,428.90 and 19,813,845.60 is: 27,333,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272,433.78 : 41,761,428.90 = 19,813,845.60 : x
  2. Step 2: Convert to fraction form
    30,272,433.78/41,761,428.90 = 19,813,845.60/x
  3. Step 3: Cross multiply
    30,272,433.78x = 41,761,428.90 × 19,813,845.60
  4. Step 4: Simplify right side
    30,272,433.78x = 827,454,504,259,977.88
  5. Step 5: Solve for x
    x = 827,454,504,259,977.88/30,272,433.78
  6. Step 6: Final answer
    x = 27,333,596.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.