Home / 27,980,994-41,920,339.50-20,285,580.12

Finding the Fourth Proportional to 27,980,994, 41,920,339.50 and 20,285,580.12

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Solution

The fourth proportional to 27,980,994, 41,920,339.50 and 20,285,580.12 is: 30,391,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980,994 : 41,920,339.50 = 20,285,580.12 : x
  2. Step 2: Convert to fraction form
    27,980,994/41,920,339.50 = 20,285,580.12/x
  3. Step 3: Cross multiply
    27,980,994x = 41,920,339.50 × 20,285,580.12
  4. Step 4: Simplify right side
    27,980,994x = 850,378,405,584,850.75
  5. Step 5: Solve for x
    x = 850,378,405,584,850.75/27,980,994
  6. Step 6: Final answer
    x = 30,391,286.51

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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.