Home / 7,211,706.36-9,952,155.18-3,948,521.28

Finding the Fourth Proportional to 7,211,706.36, 9,952,155.18 and 3,948,521.28

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Solution

The fourth proportional to 7,211,706.36, 9,952,155.18 and 3,948,521.28 is: 5,448,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,706.36 : 9,952,155.18 = 3,948,521.28 : x
  2. Step 2: Convert to fraction form
    7,211,706.36/9,952,155.18 = 3,948,521.28/x
  3. Step 3: Cross multiply
    7,211,706.36x = 9,952,155.18 × 3,948,521.28
  4. Step 4: Simplify right side
    7,211,706.36x = 39,296,296,510,092.23
  5. Step 5: Solve for x
    x = 39,296,296,510,092.23/7,211,706.36
  6. Step 6: Final answer
    x = 5,448,959.59

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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.