Home / 22,015,310.70-33,022,966.05-21,133,512.30

Finding the Fourth Proportional to 22,015,310.70, 33,022,966.05 and 21,133,512.30

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Solution

The fourth proportional to 22,015,310.70, 33,022,966.05 and 21,133,512.30 is: 31,700,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015,310.70 : 33,022,966.05 = 21,133,512.30 : x
  2. Step 2: Convert to fraction form
    22,015,310.70/33,022,966.05 = 21,133,512.30/x
  3. Step 3: Cross multiply
    22,015,310.70x = 33,022,966.05 × 21,133,512.30
  4. Step 4: Simplify right side
    22,015,310.70x = 697,891,259,200,157.50
  5. Step 5: Solve for x
    x = 697,891,259,200,157.50/22,015,310.70
  6. Step 6: Final answer
    x = 31,700,268.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.