Home / 8,139,653.15-12,211,251.19-2,748,074.85

Finding the Fourth Proportional to 8,139,653.15, 12,211,251.19 and 2,748,074.85

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Solution

The fourth proportional to 8,139,653.15, 12,211,251.19 and 2,748,074.85 is: 4,122,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,653.15 : 12,211,251.19 = 2,748,074.85 : x
  2. Step 2: Convert to fraction form
    8,139,653.15/12,211,251.19 = 2,748,074.85/x
  3. Step 3: Cross multiply
    8,139,653.15x = 12,211,251.19 × 2,748,074.85
  4. Step 4: Simplify right side
    8,139,653.15x = 33,557,432,275,401.39
  5. Step 5: Solve for x
    x = 33,557,432,275,401.39/8,139,653.15
  6. Step 6: Final answer
    x = 4,122,710.35

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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.