Home / 8,053,137.09-12,078,146.03-3,129,160.37

Finding the Fourth Proportional to 8,053,137.09, 12,078,146.03 and 3,129,160.37

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Solution

The fourth proportional to 8,053,137.09, 12,078,146.03 and 3,129,160.37 is: 4,693,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053,137.09 : 12,078,146.03 = 3,129,160.37 : x
  2. Step 2: Convert to fraction form
    8,053,137.09/12,078,146.03 = 3,129,160.37/x
  3. Step 3: Cross multiply
    8,053,137.09x = 12,078,146.03 × 3,129,160.37
  4. Step 4: Simplify right side
    8,053,137.09x = 37,794,455,824,112.30
  5. Step 5: Solve for x
    x = 37,794,455,824,112.30/8,053,137.09
  6. Step 6: Final answer
    x = 4,693,134.54

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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.