Home / 12,177,747.09-16,801,336.89-8,303,542.20

Finding the Fourth Proportional to 12,177,747.09, 16,801,336.89 and 8,303,542.20

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Solution

The fourth proportional to 12,177,747.09, 16,801,336.89 and 8,303,542.20 is: 11,456,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,747.09 : 16,801,336.89 = 8,303,542.20 : x
  2. Step 2: Convert to fraction form
    12,177,747.09/16,801,336.89 = 8,303,542.20/x
  3. Step 3: Cross multiply
    12,177,747.09x = 16,801,336.89 × 8,303,542.20
  4. Step 4: Simplify right side
    12,177,747.09x = 139,510,609,882,531.77
  5. Step 5: Solve for x
    x = 139,510,609,882,531.77/12,177,747.09
  6. Step 6: Final answer
    x = 11,456,192.09

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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.