Home / 8,172,419.39-12,258,628.98-3,853,464.29

Finding the Fourth Proportional to 8,172,419.39, 12,258,628.98 and 3,853,464.29

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Solution

The fourth proportional to 8,172,419.39, 12,258,628.98 and 3,853,464.29 is: 5,780,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,419.39 : 12,258,628.98 = 3,853,464.29 : x
  2. Step 2: Convert to fraction form
    8,172,419.39/12,258,628.98 = 3,853,464.29/x
  3. Step 3: Cross multiply
    8,172,419.39x = 12,258,628.98 × 3,853,464.29
  4. Step 4: Simplify right side
    8,172,419.39x = 47,238,188,957,495.98
  5. Step 5: Solve for x
    x = 47,238,188,957,495.98/8,172,419.39
  6. Step 6: Final answer
    x = 5,780,196.38

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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.