Home / 6,720,717.74-10,078,297.35-2,108,165.47

Finding the Fourth Proportional to 6,720,717.74, 10,078,297.35 and 2,108,165.47

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Solution

The fourth proportional to 6,720,717.74, 10,078,297.35 and 2,108,165.47 is: 3,161,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,717.74 : 10,078,297.35 = 2,108,165.47 : x
  2. Step 2: Convert to fraction form
    6,720,717.74/10,078,297.35 = 2,108,165.47/x
  3. Step 3: Cross multiply
    6,720,717.74x = 10,078,297.35 × 2,108,165.47
  4. Step 4: Simplify right side
    6,720,717.74x = 21,246,718,469,662.50
  5. Step 5: Solve for x
    x = 21,246,718,469,662.50/6,720,717.74
  6. Step 6: Final answer
    x = 3,161,376.40

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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.