Home / 20,171,621.05-27,833,029.91-12,023,617.21

Finding the Fourth Proportional to 20,171,621.05, 27,833,029.91 and 12,023,617.21

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Solution

The fourth proportional to 20,171,621.05, 27,833,029.91 and 12,023,617.21 is: 16,590,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,621.05 : 27,833,029.91 = 12,023,617.21 : x
  2. Step 2: Convert to fraction form
    20,171,621.05/27,833,029.91 = 12,023,617.21/x
  3. Step 3: Cross multiply
    20,171,621.05x = 27,833,029.91 × 12,023,617.21
  4. Step 4: Simplify right side
    20,171,621.05x = 334,653,697,293,155.62
  5. Step 5: Solve for x
    x = 334,653,697,293,155.62/20,171,621.05
  6. Step 6: Final answer
    x = 16,590,322.44

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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.