Home / 21,074,466.39-31,616,211.78-6,303,721.60

Finding the Fourth Proportional to 21,074,466.39, 31,616,211.78 and 6,303,721.60

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Solution

The fourth proportional to 21,074,466.39, 31,616,211.78 and 6,303,721.60 is: 9,456,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,466.39 : 31,616,211.78 = 6,303,721.60 : x
  2. Step 2: Convert to fraction form
    21,074,466.39/31,616,211.78 = 6,303,721.60/x
  3. Step 3: Cross multiply
    21,074,466.39x = 31,616,211.78 × 6,303,721.60
  4. Step 4: Simplify right side
    21,074,466.39x = 199,299,797,107,760.44
  5. Step 5: Solve for x
    x = 199,299,797,107,760.44/21,074,466.39
  6. Step 6: Final answer
    x = 9,456,932.07

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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.