Home / 7,979,589.51-11,971,065.52-2,587,819.52

Finding the Fourth Proportional to 7,979,589.51, 11,971,065.52 and 2,587,819.52

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Solution

The fourth proportional to 7,979,589.51, 11,971,065.52 and 2,587,819.52 is: 3,882,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,589.51 : 11,971,065.52 = 2,587,819.52 : x
  2. Step 2: Convert to fraction form
    7,979,589.51/11,971,065.52 = 2,587,819.52/x
  3. Step 3: Cross multiply
    7,979,589.51x = 11,971,065.52 × 2,587,819.52
  4. Step 4: Simplify right side
    7,979,589.51x = 30,978,956,967,999.62
  5. Step 5: Solve for x
    x = 30,978,956,967,999.62/7,979,589.51
  6. Step 6: Final answer
    x = 3,882,274.51

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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.