Home / 8,238,867.84-12,358,815.60-2,173,605.38

Finding the Fourth Proportional to 8,238,867.84, 12,358,815.60 and 2,173,605.38

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Solution

The fourth proportional to 8,238,867.84, 12,358,815.60 and 2,173,605.38 is: 3,260,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,867.84 : 12,358,815.60 = 2,173,605.38 : x
  2. Step 2: Convert to fraction form
    8,238,867.84/12,358,815.60 = 2,173,605.38/x
  3. Step 3: Cross multiply
    8,238,867.84x = 12,358,815.60 × 2,173,605.38
  4. Step 4: Simplify right side
    8,238,867.84x = 26,863,188,122,467.88
  5. Step 5: Solve for x
    x = 26,863,188,122,467.88/8,238,867.84
  6. Step 6: Final answer
    x = 3,260,543.64

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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.