Home / 8,726,373-13,090,977.81-2,578,978.44

Finding the Fourth Proportional to 8,726,373, 13,090,977.81 and 2,578,978.44

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Solution

The fourth proportional to 8,726,373, 13,090,977.81 and 2,578,978.44 is: 3,868,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726,373 : 13,090,977.81 = 2,578,978.44 : x
  2. Step 2: Convert to fraction form
    8,726,373/13,090,977.81 = 2,578,978.44/x
  3. Step 3: Cross multiply
    8,726,373x = 13,090,977.81 × 2,578,978.44
  4. Step 4: Simplify right side
    8,726,373x = 33,761,349,530,508.42
  5. Step 5: Solve for x
    x = 33,761,349,530,508.42/8,726,373
  6. Step 6: Final answer
    x = 3,868,886.83

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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.