Home / 27,980,993-41,920,338-20,285,579.12

Finding the Fourth Proportional to 27,980,993, 41,920,338 and 20,285,579.12

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Solution

The fourth proportional to 27,980,993, 41,920,338 and 20,285,579.12 is: 30,391,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980,993 : 41,920,338 = 20,285,579.12 : x
  2. Step 2: Convert to fraction form
    27,980,993/41,920,338 = 20,285,579.12/x
  3. Step 3: Cross multiply
    27,980,993x = 41,920,338 × 20,285,579.12
  4. Step 4: Simplify right side
    27,980,993x = 850,378,333,236,142.62
  5. Step 5: Solve for x
    x = 850,378,333,236,142.62/27,980,993
  6. Step 6: Final answer
    x = 30,391,285.01

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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.