Home / 14,985,352.62-20,679,786.38-8,109,834.68

Finding the Fourth Proportional to 14,985,352.62, 20,679,786.38 and 8,109,834.68

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Solution

The fourth proportional to 14,985,352.62, 20,679,786.38 and 8,109,834.68 is: 11,191,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,352.62 : 20,679,786.38 = 8,109,834.68 : x
  2. Step 2: Convert to fraction form
    14,985,352.62/20,679,786.38 = 8,109,834.68/x
  3. Step 3: Cross multiply
    14,985,352.62x = 20,679,786.38 × 8,109,834.68
  4. Step 4: Simplify right side
    14,985,352.62x = 167,709,648,759,515.66
  5. Step 5: Solve for x
    x = 167,709,648,759,515.66/14,985,352.62
  6. Step 6: Final answer
    x = 11,191,571.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.