Home / 7,859,830.34-11,786,511.45-3,003,930.38

Finding the Fourth Proportional to 7,859,830.34, 11,786,511.45 and 3,003,930.38

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Solution

The fourth proportional to 7,859,830.34, 11,786,511.45 and 3,003,930.38 is: 4,504,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,830.34 : 11,786,511.45 = 3,003,930.38 : x
  2. Step 2: Convert to fraction form
    7,859,830.34/11,786,511.45 = 3,003,930.38/x
  3. Step 3: Cross multiply
    7,859,830.34x = 11,786,511.45 × 3,003,930.38
  4. Step 4: Simplify right side
    7,859,830.34x = 35,405,859,818,872.84
  5. Step 5: Solve for x
    x = 35,405,859,818,872.84/7,859,830.34
  6. Step 6: Final answer
    x = 4,504,659.55

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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.