Home / 28,874,273.44-39,846,506.98-15,821,426.38

Finding the Fourth Proportional to 28,874,273.44, 39,846,506.98 and 15,821,426.38

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Solution

The fourth proportional to 28,874,273.44, 39,846,506.98 and 15,821,426.38 is: 21,833,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874,273.44 : 39,846,506.98 = 15,821,426.38 : x
  2. Step 2: Convert to fraction form
    28,874,273.44/39,846,506.98 = 15,821,426.38/x
  3. Step 3: Cross multiply
    28,874,273.44x = 39,846,506.98 × 15,821,426.38
  4. Step 4: Simplify right side
    28,874,273.44x = 630,428,576,684,226.12
  5. Step 5: Solve for x
    x = 630,428,576,684,226.12/28,874,273.44
  6. Step 6: Final answer
    x = 21,833,573.68

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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.