Home / 7,213,052.80-9,954,033.60-3,949,897.60

Finding the Fourth Proportional to 7,213,052.80, 9,954,033.60 and 3,949,897.60

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Solution

The fourth proportional to 7,213,052.80, 9,954,033.60 and 3,949,897.60 is: 5,450,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213,052.80 : 9,954,033.60 = 3,949,897.60 : x
  2. Step 2: Convert to fraction form
    7,213,052.80/9,954,033.60 = 3,949,897.60/x
  3. Step 3: Cross multiply
    7,213,052.80x = 9,954,033.60 × 3,949,897.60
  4. Step 4: Simplify right side
    7,213,052.80x = 39,317,413,426,959.36
  5. Step 5: Solve for x
    x = 39,317,413,426,959.36/7,213,052.80
  6. Step 6: Final answer
    x = 5,450,870.04

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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.