Home / 13,389,940.22-20,086,801.77-4,289,909.15

Finding the Fourth Proportional to 13,389,940.22, 20,086,801.77 and 4,289,909.15

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Solution

The fourth proportional to 13,389,940.22, 20,086,801.77 and 4,289,909.15 is: 6,435,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389,940.22 : 20,086,801.77 = 4,289,909.15 : x
  2. Step 2: Convert to fraction form
    13,389,940.22/20,086,801.77 = 4,289,909.15/x
  3. Step 3: Cross multiply
    13,389,940.22x = 20,086,801.77 × 4,289,909.15
  4. Step 4: Simplify right side
    13,389,940.22x = 86,170,554,606,925.17
  5. Step 5: Solve for x
    x = 86,170,554,606,925.17/13,389,940.22
  6. Step 6: Final answer
    x = 6,435,469.71

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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.