Home / 17,515,008.20-26,304,005.10-12,728,102.60

Finding the Fourth Proportional to 17,515,008.20, 26,304,005.10 and 12,728,102.60

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Solution

The fourth proportional to 17,515,008.20, 26,304,005.10 and 12,728,102.60 is: 19,115,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515,008.20 : 26,304,005.10 = 12,728,102.60 : x
  2. Step 2: Convert to fraction form
    17,515,008.20/26,304,005.10 = 12,728,102.60/x
  3. Step 3: Cross multiply
    17,515,008.20x = 26,304,005.10 × 12,728,102.60
  4. Step 4: Simplify right side
    17,515,008.20x = 334,800,075,703,723.25
  5. Step 5: Solve for x
    x = 334,800,075,703,723.25/17,515,008.20
  6. Step 6: Final answer
    x = 19,115,039.62

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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.