Home / 12,680,628.22-17,499,300.87-6,879,409.97

Finding the Fourth Proportional to 12,680,628.22, 17,499,300.87 and 6,879,409.97

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Solution

The fourth proportional to 12,680,628.22, 17,499,300.87 and 6,879,409.97 is: 9,493,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,628.22 : 17,499,300.87 = 6,879,409.97 : x
  2. Step 2: Convert to fraction form
    12,680,628.22/17,499,300.87 = 6,879,409.97/x
  3. Step 3: Cross multiply
    12,680,628.22x = 17,499,300.87 × 6,879,409.97
  4. Step 4: Simplify right side
    12,680,628.22x = 120,384,864,751,214.11
  5. Step 5: Solve for x
    x = 120,384,864,751,214.11/12,680,628.22
  6. Step 6: Final answer
    x = 9,493,604.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.