Home / 12,939,367.64-19,389,882.38-5,253,666.44

Finding the Fourth Proportional to 12,939,367.64, 19,389,882.38 and 5,253,666.44

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Solution

The fourth proportional to 12,939,367.64, 19,389,882.38 and 5,253,666.44 is: 7,872,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,367.64 : 19,389,882.38 = 5,253,666.44 : x
  2. Step 2: Convert to fraction form
    12,939,367.64/19,389,882.38 = 5,253,666.44/x
  3. Step 3: Cross multiply
    12,939,367.64x = 19,389,882.38 × 5,253,666.44
  4. Step 4: Simplify right side
    12,939,367.64x = 101,867,974,335,353.33
  5. Step 5: Solve for x
    x = 101,867,974,335,353.33/12,939,367.64
  6. Step 6: Final answer
    x = 7,872,716.59

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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.