Home / 8,181,879.75-11,290,990.46-4,697,443.22

Finding the Fourth Proportional to 8,181,879.75, 11,290,990.46 and 4,697,443.22

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Solution

The fourth proportional to 8,181,879.75, 11,290,990.46 and 4,697,443.22 is: 6,482,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,879.75 : 11,290,990.46 = 4,697,443.22 : x
  2. Step 2: Convert to fraction form
    8,181,879.75/11,290,990.46 = 4,697,443.22/x
  3. Step 3: Cross multiply
    8,181,879.75x = 11,290,990.46 × 4,697,443.22
  4. Step 4: Simplify right side
    8,181,879.75x = 53,038,786,503,469.51
  5. Step 5: Solve for x
    x = 53,038,786,503,469.51/8,181,879.75
  6. Step 6: Final answer
    x = 6,482,469.57

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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.