Home / 15,177,151.09-20,945,675.06-9,672,996.97

Finding the Fourth Proportional to 15,177,151.09, 20,945,675.06 and 9,672,996.97

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Solution

The fourth proportional to 15,177,151.09, 20,945,675.06 and 9,672,996.97 is: 13,349,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177,151.09 : 20,945,675.06 = 9,672,996.97 : x
  2. Step 2: Convert to fraction form
    15,177,151.09/20,945,675.06 = 9,672,996.97/x
  3. Step 3: Cross multiply
    15,177,151.09x = 20,945,675.06 × 9,672,996.97
  4. Step 4: Simplify right side
    15,177,151.09x = 202,607,451,389,984.56
  5. Step 5: Solve for x
    x = 202,607,451,389,984.56/15,177,151.09
  6. Step 6: Final answer
    x = 13,349,504.80

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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.