Home / 22,428,039.55-33,642,059.33-18,840,812.80

Finding the Fourth Proportional to 22,428,039.55, 33,642,059.33 and 18,840,812.80

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Solution

The fourth proportional to 22,428,039.55, 33,642,059.33 and 18,840,812.80 is: 28,261,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,039.55 : 33,642,059.33 = 18,840,812.80 : x
  2. Step 2: Convert to fraction form
    22,428,039.55/33,642,059.33 = 18,840,812.80/x
  3. Step 3: Cross multiply
    22,428,039.55x = 33,642,059.33 × 18,840,812.80
  4. Step 4: Simplify right side
    22,428,039.55x = 633,843,742,043,023.38
  5. Step 5: Solve for x
    x = 633,843,742,043,023.38/22,428,039.55
  6. Step 6: Final answer
    x = 28,261,219.20

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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.