Home / 9,630,872.44-13,290,600.76-5,279,865.39

Finding the Fourth Proportional to 9,630,872.44, 13,290,600.76 and 5,279,865.39

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Solution

The fourth proportional to 9,630,872.44, 13,290,600.76 and 5,279,865.39 is: 7,286,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630,872.44 : 13,290,600.76 = 5,279,865.39 : x
  2. Step 2: Convert to fraction form
    9,630,872.44/13,290,600.76 = 5,279,865.39/x
  3. Step 3: Cross multiply
    9,630,872.44x = 13,290,600.76 × 5,279,865.39
  4. Step 4: Simplify right side
    9,630,872.44x = 70,172,582,951,832.03
  5. Step 5: Solve for x
    x = 70,172,582,951,832.03/9,630,872.44
  6. Step 6: Final answer
    x = 7,286,212.48

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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.