Home / 19,100,836.70-28,588,269.45-13,432,132.70

Finding the Fourth Proportional to 19,100,836.70, 28,588,269.45 and 13,432,132.70

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Solution

The fourth proportional to 19,100,836.70, 28,588,269.45 and 13,432,132.70 is: 20,103,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100,836.70 : 28,588,269.45 = 13,432,132.70 : x
  2. Step 2: Convert to fraction form
    19,100,836.70/28,588,269.45 = 13,432,132.70/x
  3. Step 3: Cross multiply
    19,100,836.70x = 28,588,269.45 × 13,432,132.70
  4. Step 4: Simplify right side
    19,100,836.70x = 384,001,428,915,756
  5. Step 5: Solve for x
    x = 384,001,428,915,756/19,100,836.70
  6. Step 6: Final answer
    x = 20,103,906.18

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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.