Home / 11,491,679.40-17,229,645.90-5,429,315.40

Finding the Fourth Proportional to 11,491,679.40, 17,229,645.90 and 5,429,315.40

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Solution

The fourth proportional to 11,491,679.40, 17,229,645.90 and 5,429,315.40 is: 8,140,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,679.40 : 17,229,645.90 = 5,429,315.40 : x
  2. Step 2: Convert to fraction form
    11,491,679.40/17,229,645.90 = 5,429,315.40/x
  3. Step 3: Cross multiply
    11,491,679.40x = 17,229,645.90 × 5,429,315.40
  4. Step 4: Simplify right side
    11,491,679.40x = 93,545,181,821,416.86
  5. Step 5: Solve for x
    x = 93,545,181,821,416.86/11,491,679.40
  6. Step 6: Final answer
    x = 8,140,253.36

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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.