Home / 22,428,032.70-33,642,049.05-18,442,225.20

Finding the Fourth Proportional to 22,428,032.70, 33,642,049.05 and 18,442,225.20

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Solution

The fourth proportional to 22,428,032.70, 33,642,049.05 and 18,442,225.20 is: 27,663,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,032.70 : 33,642,049.05 = 18,442,225.20 : x
  2. Step 2: Convert to fraction form
    22,428,032.70/33,642,049.05 = 18,442,225.20/x
  3. Step 3: Cross multiply
    22,428,032.70x = 33,642,049.05 × 18,442,225.20
  4. Step 4: Simplify right side
    22,428,032.70x = 620,434,244,769,546
  5. Step 5: Solve for x
    x = 620,434,244,769,546/22,428,032.70
  6. Step 6: Final answer
    x = 27,663,337.80

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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.