Home / 21,319,340.74-31,979,016.57-5,968,891.92

Finding the Fourth Proportional to 21,319,340.74, 31,979,016.57 and 5,968,891.92

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Solution

The fourth proportional to 21,319,340.74, 31,979,016.57 and 5,968,891.92 is: 8,953,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,340.74 : 31,979,016.57 = 5,968,891.92 : x
  2. Step 2: Convert to fraction form
    21,319,340.74/31,979,016.57 = 5,968,891.92/x
  3. Step 3: Cross multiply
    21,319,340.74x = 31,979,016.57 × 5,968,891.92
  4. Step 4: Simplify right side
    21,319,340.74x = 190,879,293,756,523.78
  5. Step 5: Solve for x
    x = 190,879,293,756,523.78/21,319,340.74
  6. Step 6: Final answer
    x = 8,953,339.42

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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.