Home / 19,318,324.80-28,990,773.31-7,958,773.43

Finding the Fourth Proportional to 19,318,324.80, 28,990,773.31 and 7,958,773.43

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Solution

The fourth proportional to 19,318,324.80, 28,990,773.31 and 7,958,773.43 is: 11,943,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,324.80 : 28,990,773.31 = 7,958,773.43 : x
  2. Step 2: Convert to fraction form
    19,318,324.80/28,990,773.31 = 7,958,773.43/x
  3. Step 3: Cross multiply
    19,318,324.80x = 28,990,773.31 × 7,958,773.43
  4. Step 4: Simplify right side
    19,318,324.80x = 230,730,996,334,781.12
  5. Step 5: Solve for x
    x = 230,730,996,334,781.12/19,318,324.80
  6. Step 6: Final answer
    x = 11,943,633.76

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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.