Home / 28,065,774-42,098,662.62-6,790,638

Finding the Fourth Proportional to 28,065,774, 42,098,662.62 and 6,790,638

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Solution

The fourth proportional to 28,065,774, 42,098,662.62 and 6,790,638 is: 10,185,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065,774 : 42,098,662.62 = 6,790,638 : x
  2. Step 2: Convert to fraction form
    28,065,774/42,098,662.62 = 6,790,638/x
  3. Step 3: Cross multiply
    28,065,774x = 42,098,662.62 × 6,790,638
  4. Step 4: Simplify right side
    28,065,774x = 285,876,778,136,551.56
  5. Step 5: Solve for x
    x = 285,876,778,136,551.56/28,065,774
  6. Step 6: Final answer
    x = 10,185,957.39

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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.