Home / 8,691,357.09-11,995,557.12-5,019,613.71

Finding the Fourth Proportional to 8,691,357.09, 11,995,557.12 and 5,019,613.71

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Solution

The fourth proportional to 8,691,357.09, 11,995,557.12 and 5,019,613.71 is: 6,927,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,357.09 : 11,995,557.12 = 5,019,613.71 : x
  2. Step 2: Convert to fraction form
    8,691,357.09/11,995,557.12 = 5,019,613.71/x
  3. Step 3: Cross multiply
    8,691,357.09x = 11,995,557.12 × 5,019,613.71
  4. Step 4: Simplify right side
    8,691,357.09x = 60,213,062,978,640.11
  5. Step 5: Solve for x
    x = 60,213,062,978,640.11/8,691,357.09
  6. Step 6: Final answer
    x = 6,927,924.18

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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.