Home / 14,489,907.80-21,721,037.70-5,389,568.60

Finding the Fourth Proportional to 14,489,907.80, 21,721,037.70 and 5,389,568.60

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Solution

The fourth proportional to 14,489,907.80, 21,721,037.70 and 5,389,568.60 is: 8,079,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,907.80 : 21,721,037.70 = 5,389,568.60 : x
  2. Step 2: Convert to fraction form
    14,489,907.80/21,721,037.70 = 5,389,568.60/x
  3. Step 3: Cross multiply
    14,489,907.80x = 21,721,037.70 × 5,389,568.60
  4. Step 4: Simplify right side
    14,489,907.80x = 117,067,022,747,336.20
  5. Step 5: Solve for x
    x = 117,067,022,747,336.20/14,489,907.80
  6. Step 6: Final answer
    x = 8,079,211.02

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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.