Home / 7,381,580.20-11,072,370.30-7,062,715.60

Finding the Fourth Proportional to 7,381,580.20, 11,072,370.30 and 7,062,715.60

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Solution

The fourth proportional to 7,381,580.20, 11,072,370.30 and 7,062,715.60 is: 10,594,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,580.20 : 11,072,370.30 = 7,062,715.60 : x
  2. Step 2: Convert to fraction form
    7,381,580.20/11,072,370.30 = 7,062,715.60/x
  3. Step 3: Cross multiply
    7,381,580.20x = 11,072,370.30 × 7,062,715.60
  4. Step 4: Simplify right side
    7,381,580.20x = 78,201,002,446,786.69
  5. Step 5: Solve for x
    x = 78,201,002,446,786.69/7,381,580.20
  6. Step 6: Final answer
    x = 10,594,073.40

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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.