Home / 15,766,575.86-21,753,757.06-9,236,695.05

Finding the Fourth Proportional to 15,766,575.86, 21,753,757.06 and 9,236,695.05

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Solution

The fourth proportional to 15,766,575.86, 21,753,757.06 and 9,236,695.05 is: 12,744,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766,575.86 : 21,753,757.06 = 9,236,695.05 : x
  2. Step 2: Convert to fraction form
    15,766,575.86/21,753,757.06 = 9,236,695.05/x
  3. Step 3: Cross multiply
    15,766,575.86x = 21,753,757.06 × 9,236,695.05
  4. Step 4: Simplify right side
    15,766,575.86x = 200,932,820,131,912.84
  5. Step 5: Solve for x
    x = 200,932,820,131,912.84/15,766,575.86
  6. Step 6: Final answer
    x = 12,744,226.89

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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.