Home / 11,071,729.20-16,607,593.80-8,201,947.80

Finding the Fourth Proportional to 11,071,729.20, 16,607,593.80 and 8,201,947.80

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Solution

The fourth proportional to 11,071,729.20, 16,607,593.80 and 8,201,947.80 is: 12,302,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,729.20 : 16,607,593.80 = 8,201,947.80 : x
  2. Step 2: Convert to fraction form
    11,071,729.20/16,607,593.80 = 8,201,947.80/x
  3. Step 3: Cross multiply
    11,071,729.20x = 16,607,593.80 × 8,201,947.80
  4. Step 4: Simplify right side
    11,071,729.20x = 136,214,617,431,203.64
  5. Step 5: Solve for x
    x = 136,214,617,431,203.64/11,071,729.20
  6. Step 6: Final answer
    x = 12,302,921.70

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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.