Home / 22,428,034.80-33,642,052.20-18,840,808.05

Finding the Fourth Proportional to 22,428,034.80, 33,642,052.20 and 18,840,808.05

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Solution

The fourth proportional to 22,428,034.80, 33,642,052.20 and 18,840,808.05 is: 28,261,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,034.80 : 33,642,052.20 = 18,840,808.05 : x
  2. Step 2: Convert to fraction form
    22,428,034.80/33,642,052.20 = 18,840,808.05/x
  3. Step 3: Cross multiply
    22,428,034.80x = 33,642,052.20 × 18,840,808.05
  4. Step 4: Simplify right side
    22,428,034.80x = 633,843,447,908,280.25
  5. Step 5: Solve for x
    x = 633,843,447,908,280.25/22,428,034.80
  6. Step 6: Final answer
    x = 28,261,212.08

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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.