Home / 22,428,037.80-33,642,056.70-18,840,811.05

Finding the Fourth Proportional to 22,428,037.80, 33,642,056.70 and 18,840,811.05

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Solution

The fourth proportional to 22,428,037.80, 33,642,056.70 and 18,840,811.05 is: 28,261,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,037.80 : 33,642,056.70 = 18,840,811.05 : x
  2. Step 2: Convert to fraction form
    22,428,037.80/33,642,056.70 = 18,840,811.05/x
  3. Step 3: Cross multiply
    22,428,037.80x = 33,642,056.70 × 18,840,811.05
  4. Step 4: Simplify right side
    22,428,037.80x = 633,843,633,618,086.62
  5. Step 5: Solve for x
    x = 633,843,633,618,086.62/22,428,037.80
  6. Step 6: Final answer
    x = 28,261,216.58

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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.