Home / 6,513,999.67-8,990,397.60-3,614,324.71

Finding the Fourth Proportional to 6,513,999.67, 8,990,397.60 and 3,614,324.71

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Solution

The fourth proportional to 6,513,999.67, 8,990,397.60 and 3,614,324.71 is: 4,988,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,999.67 : 8,990,397.60 = 3,614,324.71 : x
  2. Step 2: Convert to fraction form
    6,513,999.67/8,990,397.60 = 3,614,324.71/x
  3. Step 3: Cross multiply
    6,513,999.67x = 8,990,397.60 × 3,614,324.71
  4. Step 4: Simplify right side
    6,513,999.67x = 32,494,216,198,404.70
  5. Step 5: Solve for x
    x = 32,494,216,198,404.70/6,513,999.67
  6. Step 6: Final answer
    x = 4,988,366.26

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1.5x scale

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.