Home / 29,002,137.72-40,022,033.98-15,949,356.28

Finding the Fourth Proportional to 29,002,137.72, 40,022,033.98 and 15,949,356.28

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Solution

The fourth proportional to 29,002,137.72, 40,022,033.98 and 15,949,356.28 is: 22,009,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002,137.72 : 40,022,033.98 = 15,949,356.28 : x
  2. Step 2: Convert to fraction form
    29,002,137.72/40,022,033.98 = 15,949,356.28/x
  3. Step 3: Cross multiply
    29,002,137.72x = 40,022,033.98 × 15,949,356.28
  4. Step 4: Simplify right side
    29,002,137.72x = 638,325,678,997,286.38
  5. Step 5: Solve for x
    x = 638,325,678,997,286.38/29,002,137.72
  6. Step 6: Final answer
    x = 22,009,607.88

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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.