Home / 13,977,701.05-19,290,021.38-8,397,654.39

Finding the Fourth Proportional to 13,977,701.05, 19,290,021.38 and 8,397,654.39

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Solution

The fourth proportional to 13,977,701.05, 19,290,021.38 and 8,397,654.39 is: 11,589,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,701.05 : 19,290,021.38 = 8,397,654.39 : x
  2. Step 2: Convert to fraction form
    13,977,701.05/19,290,021.38 = 8,397,654.39/x
  3. Step 3: Cross multiply
    13,977,701.05x = 19,290,021.38 × 8,397,654.39
  4. Step 4: Simplify right side
    13,977,701.05x = 161,990,932,724,950.88
  5. Step 5: Solve for x
    x = 161,990,932,724,950.88/13,977,701.05
  6. Step 6: Final answer
    x = 11,589,240.04

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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.