Home / 8,161,570.80-12,242,356.20-4,914,313.20

Finding the Fourth Proportional to 8,161,570.80, 12,242,356.20 and 4,914,313.20

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Solution

The fourth proportional to 8,161,570.80, 12,242,356.20 and 4,914,313.20 is: 7,371,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,570.80 : 12,242,356.20 = 4,914,313.20 : x
  2. Step 2: Convert to fraction form
    8,161,570.80/12,242,356.20 = 4,914,313.20/x
  3. Step 3: Cross multiply
    8,161,570.80x = 12,242,356.20 × 4,914,313.20
  4. Step 4: Simplify right side
    8,161,570.80x = 60,162,772,672,761.84
  5. Step 5: Solve for x
    x = 60,162,772,672,761.84/8,161,570.80
  6. Step 6: Final answer
    x = 7,371,469.80

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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.