Home / 22,015,471.20-33,023,206.80-21,133,672.80

Finding the Fourth Proportional to 22,015,471.20, 33,023,206.80 and 21,133,672.80

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Solution

The fourth proportional to 22,015,471.20, 33,023,206.80 and 21,133,672.80 is: 31,700,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015,471.20 : 33,023,206.80 = 21,133,672.80 : x
  2. Step 2: Convert to fraction form
    22,015,471.20/33,023,206.80 = 21,133,672.80/x
  3. Step 3: Cross multiply
    22,015,471.20x = 33,023,206.80 × 21,133,672.80
  4. Step 4: Simplify right side
    22,015,471.20x = 697,901,647,317,935.12
  5. Step 5: Solve for x
    x = 697,901,647,317,935.12/22,015,471.20
  6. Step 6: Final answer
    x = 31,700,509.20

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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.