Home / 7,231,205.98-9,979,036.63-3,968,075.26

Finding the Fourth Proportional to 7,231,205.98, 9,979,036.63 and 3,968,075.26

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Solution

The fourth proportional to 7,231,205.98, 9,979,036.63 and 3,968,075.26 is: 5,475,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,205.98 : 9,979,036.63 = 3,968,075.26 : x
  2. Step 2: Convert to fraction form
    7,231,205.98/9,979,036.63 = 3,968,075.26/x
  3. Step 3: Cross multiply
    7,231,205.98x = 9,979,036.63 × 3,968,075.26
  4. Step 4: Simplify right side
    7,231,205.98x = 39,597,568,370,136.77
  5. Step 5: Solve for x
    x = 39,597,568,370,136.77/7,231,205.98
  6. Step 6: Final answer
    x = 5,475,928.70

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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.