Home / 20,171,620.05-27,833,028.53-12,023,616.21

Finding the Fourth Proportional to 20,171,620.05, 27,833,028.53 and 12,023,616.21

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Solution

The fourth proportional to 20,171,620.05, 27,833,028.53 and 12,023,616.21 is: 16,590,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,620.05 : 27,833,028.53 = 12,023,616.21 : x
  2. Step 2: Convert to fraction form
    20,171,620.05/27,833,028.53 = 12,023,616.21/x
  3. Step 3: Cross multiply
    20,171,620.05x = 27,833,028.53 × 12,023,616.21
  4. Step 4: Simplify right side
    20,171,620.05x = 334,653,652,897,594.38
  5. Step 5: Solve for x
    x = 334,653,652,897,594.38/20,171,620.05
  6. Step 6: Final answer
    x = 16,590,321.06

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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.