Home / 7,222,937.76-9,967,590.51-3,959,693.22

Finding the Fourth Proportional to 7,222,937.76, 9,967,590.51 and 3,959,693.22

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Solution

The fourth proportional to 7,222,937.76, 9,967,590.51 and 3,959,693.22 is: 5,464,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,937.76 : 9,967,590.51 = 3,959,693.22 : x
  2. Step 2: Convert to fraction form
    7,222,937.76/9,967,590.51 = 3,959,693.22/x
  3. Step 3: Cross multiply
    7,222,937.76x = 9,967,590.51 × 3,959,693.22
  4. Step 4: Simplify right side
    7,222,937.76x = 39,468,600,562,183.34
  5. Step 5: Solve for x
    x = 39,468,600,562,183.34/7,222,937.76
  6. Step 6: Final answer
    x = 5,464,341.78

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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.