Home / 11,028,165.52-16,539,438.89-7,819,839.71

Finding the Fourth Proportional to 11,028,165.52, 16,539,438.89 and 7,819,839.71

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Solution

The fourth proportional to 11,028,165.52, 16,539,438.89 and 7,819,839.71 is: 11,727,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,165.52 : 16,539,438.89 = 7,819,839.71 : x
  2. Step 2: Convert to fraction form
    11,028,165.52/16,539,438.89 = 7,819,839.71/x
  3. Step 3: Cross multiply
    11,028,165.52x = 16,539,438.89 × 7,819,839.71
  4. Step 4: Simplify right side
    11,028,165.52x = 129,335,761,013,140.33
  5. Step 5: Solve for x
    x = 129,335,761,013,140.33/11,028,165.52
  6. Step 6: Final answer
    x = 11,727,767.49

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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.