Home / 40,098,056.20-55,335,371.34-21,763,336.84

Finding the Fourth Proportional to 40,098,056.20, 55,335,371.34 and 21,763,336.84

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Solution

The fourth proportional to 40,098,056.20, 55,335,371.34 and 21,763,336.84 is: 30,033,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,056.20 : 55,335,371.34 = 21,763,336.84 : x
  2. Step 2: Convert to fraction form
    40,098,056.20/55,335,371.34 = 21,763,336.84/x
  3. Step 3: Cross multiply
    40,098,056.20x = 55,335,371.34 × 21,763,336.84
  4. Step 4: Simplify right side
    40,098,056.20x = 1,204,282,325,638,902.25
  5. Step 5: Solve for x
    x = 1,204,282,325,638,902.25/40,098,056.20
  6. Step 6: Final answer
    x = 30,033,434.03

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1.5x scale

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.