Home / 12,680,628.19-17,499,300.82-6,879,409.93

Finding the Fourth Proportional to 12,680,628.19, 17,499,300.82 and 6,879,409.93

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Solution

The fourth proportional to 12,680,628.19, 17,499,300.82 and 6,879,409.93 is: 9,493,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,628.19 : 17,499,300.82 = 6,879,409.93 : x
  2. Step 2: Convert to fraction form
    12,680,628.19/17,499,300.82 = 6,879,409.93/x
  3. Step 3: Cross multiply
    12,680,628.19x = 17,499,300.82 × 6,879,409.93
  4. Step 4: Simplify right side
    12,680,628.19x = 120,384,863,868,237.81
  5. Step 5: Solve for x
    x = 120,384,863,868,237.81/12,680,628.19
  6. Step 6: Final answer
    x = 9,493,604.11

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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.