Home / 11,479,619.81-15,841,873.92-6,322,981.36

Finding the Fourth Proportional to 11,479,619.81, 15,841,873.92 and 6,322,981.36

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Solution

The fourth proportional to 11,479,619.81, 15,841,873.92 and 6,322,981.36 is: 8,725,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479,619.81 : 15,841,873.92 = 6,322,981.36 : x
  2. Step 2: Convert to fraction form
    11,479,619.81/15,841,873.92 = 6,322,981.36/x
  3. Step 3: Cross multiply
    11,479,619.81x = 15,841,873.92 × 6,322,981.36
  4. Step 4: Simplify right side
    11,479,619.81x = 100,167,873,440,314.27
  5. Step 5: Solve for x
    x = 100,167,873,440,314.27/11,479,619.81
  6. Step 6: Final answer
    x = 8,725,713.49

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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.