Home / 6,967,997.88-9,615,512.08-3,870,721.96

Finding the Fourth Proportional to 6,967,997.88, 9,615,512.08 and 3,870,721.96

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Solution

The fourth proportional to 6,967,997.88, 9,615,512.08 and 3,870,721.96 is: 5,341,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967,997.88 : 9,615,512.08 = 3,870,721.96 : x
  2. Step 2: Convert to fraction form
    6,967,997.88/9,615,512.08 = 3,870,721.96/x
  3. Step 3: Cross multiply
    6,967,997.88x = 9,615,512.08 × 3,870,721.96
  4. Step 4: Simplify right side
    6,967,997.88x = 37,218,973,764,701.27
  5. Step 5: Solve for x
    x = 37,218,973,764,701.27/6,967,997.88
  6. Step 6: Final answer
    x = 5,341,415.77

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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.