Home / 8,213,451.22-12,319,235.61-2,148,768.19

Finding the Fourth Proportional to 8,213,451.22, 12,319,235.61 and 2,148,768.19

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Solution

The fourth proportional to 8,213,451.22, 12,319,235.61 and 2,148,768.19 is: 3,222,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,451.22 : 12,319,235.61 = 2,148,768.19 : x
  2. Step 2: Convert to fraction form
    8,213,451.22/12,319,235.61 = 2,148,768.19/x
  3. Step 3: Cross multiply
    8,213,451.22x = 12,319,235.61 × 2,148,768.19
  4. Step 4: Simplify right side
    8,213,451.22x = 26,471,181,603,883.24
  5. Step 5: Solve for x
    x = 26,471,181,603,883.24/8,213,451.22
  6. Step 6: Final answer
    x = 3,222,906.05

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1.5x scale

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.