Home / 19,172,450.25-28,759,265.87-8,384,197.95

Finding the Fourth Proportional to 19,172,450.25, 28,759,265.87 and 8,384,197.95

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Solution

The fourth proportional to 19,172,450.25, 28,759,265.87 and 8,384,197.95 is: 12,576,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,450.25 : 28,759,265.87 = 8,384,197.95 : x
  2. Step 2: Convert to fraction form
    19,172,450.25/28,759,265.87 = 8,384,197.95/x
  3. Step 3: Cross multiply
    19,172,450.25x = 28,759,265.87 × 8,384,197.95
  4. Step 4: Simplify right side
    19,172,450.25x = 241,123,377,908,837.97
  5. Step 5: Solve for x
    x = 241,123,377,908,837.97/19,172,450.25
  6. Step 6: Final answer
    x = 12,576,555.15

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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.