Home / 7,381,989.20-11,072,983.80-6,673,401.20

Finding the Fourth Proportional to 7,381,989.20, 11,072,983.80 and 6,673,401.20

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Solution

The fourth proportional to 7,381,989.20, 11,072,983.80 and 6,673,401.20 is: 10,010,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,989.20 : 11,072,983.80 = 6,673,401.20 : x
  2. Step 2: Convert to fraction form
    7,381,989.20/11,072,983.80 = 6,673,401.20/x
  3. Step 3: Cross multiply
    7,381,989.20x = 11,072,983.80 × 6,673,401.20
  4. Step 4: Simplify right side
    7,381,989.20x = 73,894,463,378,500.56
  5. Step 5: Solve for x
    x = 73,894,463,378,500.56/7,381,989.20
  6. Step 6: Final answer
    x = 10,010,101.80

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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.