Home / 22,428,038.30-33,642,057.45-18,840,811.55

Finding the Fourth Proportional to 22,428,038.30, 33,642,057.45 and 18,840,811.55

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Solution

The fourth proportional to 22,428,038.30, 33,642,057.45 and 18,840,811.55 is: 28,261,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,038.30 : 33,642,057.45 = 18,840,811.55 : x
  2. Step 2: Convert to fraction form
    22,428,038.30/33,642,057.45 = 18,840,811.55/x
  3. Step 3: Cross multiply
    22,428,038.30x = 33,642,057.45 × 18,840,811.55
  4. Step 4: Simplify right side
    22,428,038.30x = 633,843,664,569,723.62
  5. Step 5: Solve for x
    x = 633,843,664,569,723.62/22,428,038.30
  6. Step 6: Final answer
    x = 28,261,217.33

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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.