Home / 19,172,453.51-28,759,270.77-8,384,201.21

Finding the Fourth Proportional to 19,172,453.51, 28,759,270.77 and 8,384,201.21

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Solution

The fourth proportional to 19,172,453.51, 28,759,270.77 and 8,384,201.21 is: 12,576,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,453.51 : 28,759,270.77 = 8,384,201.21 : x
  2. Step 2: Convert to fraction form
    19,172,453.51/28,759,270.77 = 8,384,201.21/x
  3. Step 3: Cross multiply
    19,172,453.51x = 28,759,270.77 × 8,384,201.21
  4. Step 4: Simplify right side
    19,172,453.51x = 241,123,512,788,551.62
  5. Step 5: Solve for x
    x = 241,123,512,788,551.62/19,172,453.51
  6. Step 6: Final answer
    x = 12,576,560.05

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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.