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Finding the Fourth Proportional to 17,179,752.80, 25,713,554.16 and 12,629,597.12

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Solution

The fourth proportional to 17,179,752.80, 25,713,554.16 and 12,629,597.12 is: 18,903,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179,752.80 : 25,713,554.16 = 12,629,597.12 : x
  2. Step 2: Convert to fraction form
    17,179,752.80/25,713,554.16 = 12,629,597.12/x
  3. Step 3: Cross multiply
    17,179,752.80x = 25,713,554.16 × 12,629,597.12
  4. Step 4: Simplify right side
    17,179,752.80x = 324,751,829,564,100
  5. Step 5: Solve for x
    x = 324,751,829,564,100/17,179,752.80
  6. Step 6: Final answer
    x = 18,903,172.43

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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.