Home / 15,322,190.74-21,144,857.80-8,352,872.36

Finding the Fourth Proportional to 15,322,190.74, 21,144,857.80 and 8,352,872.36

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Solution

The fourth proportional to 15,322,190.74, 21,144,857.80 and 8,352,872.36 is: 11,527,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,190.74 : 21,144,857.80 = 8,352,872.36 : x
  2. Step 2: Convert to fraction form
    15,322,190.74/21,144,857.80 = 8,352,872.36/x
  3. Step 3: Cross multiply
    15,322,190.74x = 21,144,857.80 × 8,352,872.36
  4. Step 4: Simplify right side
    15,322,190.74x = 176,620,298,273,750.41
  5. Step 5: Solve for x
    x = 176,620,298,273,750.41/15,322,190.74
  6. Step 6: Final answer
    x = 11,527,091.74

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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.