Home / 28,874,243.94-39,846,466.26-15,821,396.88

Finding the Fourth Proportional to 28,874,243.94, 39,846,466.26 and 15,821,396.88

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Solution

The fourth proportional to 28,874,243.94, 39,846,466.26 and 15,821,396.88 is: 21,833,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874,243.94 : 39,846,466.26 = 15,821,396.88 : x
  2. Step 2: Convert to fraction form
    28,874,243.94/39,846,466.26 = 15,821,396.88/x
  3. Step 3: Cross multiply
    28,874,243.94x = 39,846,466.26 × 15,821,396.88
  4. Step 4: Simplify right side
    28,874,243.94x = 630,426,756,964,989.25
  5. Step 5: Solve for x
    x = 630,426,756,964,989.25/28,874,243.94
  6. Step 6: Final answer
    x = 21,833,532.97

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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.