Home / 6,815,907.93-9,405,979.35-3,718,500.84

Finding the Fourth Proportional to 6,815,907.93, 9,405,979.35 and 3,718,500.84

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Solution

The fourth proportional to 6,815,907.93, 9,405,979.35 and 3,718,500.84 is: 5,131,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,907.93 : 9,405,979.35 = 3,718,500.84 : x
  2. Step 2: Convert to fraction form
    6,815,907.93/9,405,979.35 = 3,718,500.84/x
  3. Step 3: Cross multiply
    6,815,907.93x = 9,405,979.35 × 3,718,500.84
  4. Step 4: Simplify right side
    6,815,907.93x = 34,976,142,113,997.65
  5. Step 5: Solve for x
    x = 34,976,142,113,997.65/6,815,907.93
  6. Step 6: Final answer
    x = 5,131,545.57

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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.