Home / 12,681,375.26-18,996,868.64-6,987,477.02

Finding the Fourth Proportional to 12,681,375.26, 18,996,868.64 and 6,987,477.02

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Solution

The fourth proportional to 12,681,375.26, 18,996,868.64 and 6,987,477.02 is: 10,467,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681,375.26 : 18,996,868.64 = 6,987,477.02 : x
  2. Step 2: Convert to fraction form
    12,681,375.26/18,996,868.64 = 6,987,477.02/x
  3. Step 3: Cross multiply
    12,681,375.26x = 18,996,868.64 × 6,987,477.02
  4. Step 4: Simplify right side
    12,681,375.26x = 132,740,183,073,958.66
  5. Step 5: Solve for x
    x = 132,740,183,073,958.66/12,681,375.26
  6. Step 6: Final answer
    x = 10,467,333.42

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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.