Home / 19,293,734.86-28,902,766.34-11,189,689.72

Finding the Fourth Proportional to 19,293,734.86, 28,902,766.34 and 11,189,689.72

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Solution

The fourth proportional to 19,293,734.86, 28,902,766.34 and 11,189,689.72 is: 16,762,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293,734.86 : 28,902,766.34 = 11,189,689.72 : x
  2. Step 2: Convert to fraction form
    19,293,734.86/28,902,766.34 = 11,189,689.72/x
  3. Step 3: Cross multiply
    19,293,734.86x = 28,902,766.34 × 11,189,689.72
  4. Step 4: Simplify right side
    19,293,734.86x = 323,412,987,394,260.06
  5. Step 5: Solve for x
    x = 323,412,987,394,260.06/19,293,734.86
  6. Step 6: Final answer
    x = 16,762,591.06

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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.