Home / 40,098,057.70-55,335,373.41-21,763,338.34

Finding the Fourth Proportional to 40,098,057.70, 55,335,373.41 and 21,763,338.34

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Solution

The fourth proportional to 40,098,057.70, 55,335,373.41 and 21,763,338.34 is: 30,033,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,057.70 : 55,335,373.41 = 21,763,338.34 : x
  2. Step 2: Convert to fraction form
    40,098,057.70/55,335,373.41 = 21,763,338.34/x
  3. Step 3: Cross multiply
    40,098,057.70x = 55,335,373.41 × 21,763,338.34
  4. Step 4: Simplify right side
    40,098,057.70x = 1,204,282,453,692,069.50
  5. Step 5: Solve for x
    x = 1,204,282,453,692,069.50/40,098,057.70
  6. Step 6: Final answer
    x = 30,033,436.10

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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.