Home / 11,640,149.38-16,062,637.60-6,991,172.00

Finding the Fourth Proportional to 11,640,149.38, 16,062,637.60 and 6,991,172.00

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Solution

The fourth proportional to 11,640,149.38, 16,062,637.60 and 6,991,172.00 is: 9,647,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640,149.38 : 16,062,637.60 = 6,991,172.00 : x
  2. Step 2: Convert to fraction form
    11,640,149.38/16,062,637.60 = 6,991,172.00/x
  3. Step 3: Cross multiply
    11,640,149.38x = 16,062,637.60 × 6,991,172.00
  4. Step 4: Simplify right side
    11,640,149.38x = 112,296,662,223,927.88
  5. Step 5: Solve for x
    x = 112,296,662,223,927.88/11,640,149.38
  6. Step 6: Final answer
    x = 9,647,355.76

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1.5x scale

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.