Home / 8,615,832.80-11,891,613.59-5,133,211.71

Finding the Fourth Proportional to 8,615,832.80, 11,891,613.59 and 5,133,211.71

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Solution

The fourth proportional to 8,615,832.80, 11,891,613.59 and 5,133,211.71 is: 7,084,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,832.80 : 11,891,613.59 = 5,133,211.71 : x
  2. Step 2: Convert to fraction form
    8,615,832.80/11,891,613.59 = 5,133,211.71/x
  3. Step 3: Cross multiply
    8,615,832.80x = 11,891,613.59 × 5,133,211.71
  4. Step 4: Simplify right side
    8,615,832.80x = 61,042,170,105,317.09
  5. Step 5: Solve for x
    x = 61,042,170,105,317.09/8,615,832.80
  6. Step 6: Final answer
    x = 7,084,883.33

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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.