Home / 40,098,467.04-55,335,939.12-21,763,753.44

Finding the Fourth Proportional to 40,098,467.04, 55,335,939.12 and 21,763,753.44

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Solution

The fourth proportional to 40,098,467.04, 55,335,939.12 and 21,763,753.44 is: 30,034,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,467.04 : 55,335,939.12 = 21,763,753.44 : x
  2. Step 2: Convert to fraction form
    40,098,467.04/55,335,939.12 = 21,763,753.44/x
  3. Step 3: Cross multiply
    40,098,467.04x = 55,335,939.12 × 21,763,753.44
  4. Step 4: Simplify right side
    40,098,467.04x = 1,204,317,735,378,530.50
  5. Step 5: Solve for x
    x = 1,204,317,735,378,530.50/40,098,467.04
  6. Step 6: Final answer
    x = 30,034,009.38

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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.