Home / 28,978,801.02-43,469,690.40-7,413,589.80

Finding the Fourth Proportional to 28,978,801.02, 43,469,690.40 and 7,413,589.80

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Solution

The fourth proportional to 28,978,801.02, 43,469,690.40 and 7,413,589.80 is: 11,120,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,801.02 : 43,469,690.40 = 7,413,589.80 : x
  2. Step 2: Convert to fraction form
    28,978,801.02/43,469,690.40 = 7,413,589.80/x
  3. Step 3: Cross multiply
    28,978,801.02x = 43,469,690.40 × 7,413,589.80
  4. Step 4: Simplify right side
    28,978,801.02x = 322,266,453,358,597.88
  5. Step 5: Solve for x
    x = 322,266,453,358,597.88/28,978,801.02
  6. Step 6: Final answer
    x = 11,120,765.59

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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.