Home / 8,622,742.20-11,899,469.10-4,755,420.60

Finding the Fourth Proportional to 8,622,742.20, 11,899,469.10 and 4,755,420.60

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Solution

The fourth proportional to 8,622,742.20, 11,899,469.10 and 4,755,420.60 is: 6,562,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,742.20 : 11,899,469.10 = 4,755,420.60 : x
  2. Step 2: Convert to fraction form
    8,622,742.20/11,899,469.10 = 4,755,420.60/x
  3. Step 3: Cross multiply
    8,622,742.20x = 11,899,469.10 × 4,755,420.60
  4. Step 4: Simplify right side
    8,622,742.20x = 56,586,980,487,203.45
  5. Step 5: Solve for x
    x = 56,586,980,487,203.45/8,622,742.20
  6. Step 6: Final answer
    x = 6,562,527.23

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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.