Home / 7,407,670.82-11,167,028.24-6,913,873.56

Finding the Fourth Proportional to 7,407,670.82, 11,167,028.24 and 6,913,873.56

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Solution

The fourth proportional to 7,407,670.82, 11,167,028.24 and 6,913,873.56 is: 10,422,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,670.82 : 11,167,028.24 = 6,913,873.56 : x
  2. Step 2: Convert to fraction form
    7,407,670.82/11,167,028.24 = 6,913,873.56/x
  3. Step 3: Cross multiply
    7,407,670.82x = 11,167,028.24 × 6,913,873.56
  4. Step 4: Simplify right side
    7,407,670.82x = 77,207,421,257,739.95
  5. Step 5: Solve for x
    x = 77,207,421,257,739.95/7,407,670.82
  6. Step 6: Final answer
    x = 10,422,631.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.