Home / 7,682,581.76-11,520,460.89-4,087,591.16

Finding the Fourth Proportional to 7,682,581.76, 11,520,460.89 and 4,087,591.16

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Solution

The fourth proportional to 7,682,581.76, 11,520,460.89 and 4,087,591.16 is: 6,129,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682,581.76 : 11,520,460.89 = 4,087,591.16 : x
  2. Step 2: Convert to fraction form
    7,682,581.76/11,520,460.89 = 4,087,591.16/x
  3. Step 3: Cross multiply
    7,682,581.76x = 11,520,460.89 × 4,087,591.16
  4. Step 4: Simplify right side
    7,682,581.76x = 47,090,934,035,487.43
  5. Step 5: Solve for x
    x = 47,090,934,035,487.43/7,682,581.76
  6. Step 6: Final answer
    x = 6,129,571.48

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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.