Home / 7,419,744.40-11,129,616.60-6,687,536.80

Finding the Fourth Proportional to 7,419,744.40, 11,129,616.60 and 6,687,536.80

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Solution

The fourth proportional to 7,419,744.40, 11,129,616.60 and 6,687,536.80 is: 10,031,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419,744.40 : 11,129,616.60 = 6,687,536.80 : x
  2. Step 2: Convert to fraction form
    7,419,744.40/11,129,616.60 = 6,687,536.80/x
  3. Step 3: Cross multiply
    7,419,744.40x = 11,129,616.60 × 6,687,536.80
  4. Step 4: Simplify right side
    7,419,744.40x = 74,429,720,582,390.88
  5. Step 5: Solve for x
    x = 74,429,720,582,390.88/7,419,744.40
  6. Step 6: Final answer
    x = 10,031,305.20

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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.