Home / 22,621,824.40-33,932,736.60-20,979,533.20

Finding the Fourth Proportional to 22,621,824.40, 33,932,736.60 and 20,979,533.20

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Solution

The fourth proportional to 22,621,824.40, 33,932,736.60 and 20,979,533.20 is: 31,469,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621,824.40 : 33,932,736.60 = 20,979,533.20 : x
  2. Step 2: Convert to fraction form
    22,621,824.40/33,932,736.60 = 20,979,533.20/x
  3. Step 3: Cross multiply
    22,621,824.40x = 33,932,736.60 × 20,979,533.20
  4. Step 4: Simplify right side
    22,621,824.40x = 711,892,974,066,555.12
  5. Step 5: Solve for x
    x = 711,892,974,066,555.12/22,621,824.40
  6. Step 6: Final answer
    x = 31,469,299.80

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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.