Home / 7,979,663.07-11,971,175.83-2,587,893.06

Finding the Fourth Proportional to 7,979,663.07, 11,971,175.83 and 2,587,893.06

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Solution

The fourth proportional to 7,979,663.07, 11,971,175.83 and 2,587,893.06 is: 3,882,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,663.07 : 11,971,175.83 = 2,587,893.06 : x
  2. Step 2: Convert to fraction form
    7,979,663.07/11,971,175.83 = 2,587,893.06/x
  3. Step 3: Cross multiply
    7,979,663.07x = 11,971,175.83 × 2,587,893.06
  4. Step 4: Simplify right side
    7,979,663.07x = 30,980,122,790,640.86
  5. Step 5: Solve for x
    x = 30,980,122,790,640.86/7,979,663.07
  6. Step 6: Final answer
    x = 3,882,384.82

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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.