Home / 19,739,645.80-29,598,971.10-8,367,245.80

Finding the Fourth Proportional to 19,739,645.80, 29,598,971.10 and 8,367,245.80

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Solution

The fourth proportional to 19,739,645.80, 29,598,971.10 and 8,367,245.80 is: 12,546,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739,645.80 : 29,598,971.10 = 8,367,245.80 : x
  2. Step 2: Convert to fraction form
    19,739,645.80/29,598,971.10 = 8,367,245.80/x
  3. Step 3: Cross multiply
    19,739,645.80x = 29,598,971.10 × 8,367,245.80
  4. Step 4: Simplify right side
    19,739,645.80x = 247,661,866,620,796.38
  5. Step 5: Solve for x
    x = 247,661,866,620,796.38/19,739,645.80
  6. Step 6: Final answer
    x = 12,546,418.97

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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.