Home / 6,280,680.70-9,421,021.05-3,085,145.65

Finding the Fourth Proportional to 6,280,680.70, 9,421,021.05 and 3,085,145.65

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Solution

The fourth proportional to 6,280,680.70, 9,421,021.05 and 3,085,145.65 is: 4,627,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280,680.70 : 9,421,021.05 = 3,085,145.65 : x
  2. Step 2: Convert to fraction form
    6,280,680.70/9,421,021.05 = 3,085,145.65/x
  3. Step 3: Cross multiply
    6,280,680.70x = 9,421,021.05 × 3,085,145.65
  4. Step 4: Simplify right side
    6,280,680.70x = 29,065,222,110,965.93
  5. Step 5: Solve for x
    x = 29,065,222,110,965.93/6,280,680.70
  6. Step 6: Final answer
    x = 4,627,718.48

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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.