Home / 30,505,857.41-42,087,840.92-17,273,226.20

Finding the Fourth Proportional to 30,505,857.41, 42,087,840.92 and 17,273,226.20

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Solution

The fourth proportional to 30,505,857.41, 42,087,840.92 and 17,273,226.20 is: 23,831,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,857.41 : 42,087,840.92 = 17,273,226.20 : x
  2. Step 2: Convert to fraction form
    30,505,857.41/42,087,840.92 = 17,273,226.20/x
  3. Step 3: Cross multiply
    30,505,857.41x = 42,087,840.92 × 17,273,226.20
  4. Step 4: Simplify right side
    30,505,857.41x = 726,992,796,183,970.75
  5. Step 5: Solve for x
    x = 726,992,796,183,970.75/30,505,857.41
  6. Step 6: Final answer
    x = 23,831,252.68

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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.