Home / 12,511,287.81-18,763,308.45-3,757,213.62

Finding the Fourth Proportional to 12,511,287.81, 18,763,308.45 and 3,757,213.62

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Solution

The fourth proportional to 12,511,287.81, 18,763,308.45 and 3,757,213.62 is: 5,634,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511,287.81 : 18,763,308.45 = 3,757,213.62 : x
  2. Step 2: Convert to fraction form
    12,511,287.81/18,763,308.45 = 3,757,213.62/x
  3. Step 3: Cross multiply
    12,511,287.81x = 18,763,308.45 × 3,757,213.62
  4. Step 4: Simplify right side
    12,511,287.81x = 70,497,758,064,601.09
  5. Step 5: Solve for x
    x = 70,497,758,064,601.09/12,511,287.81
  6. Step 6: Final answer
    x = 5,634,732.34

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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.