Home / 12,770,505.28-17,608,939.68-10,440,193.60

Finding the Fourth Proportional to 12,770,505.28, 17,608,939.68 and 10,440,193.60

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Solution

The fourth proportional to 12,770,505.28, 17,608,939.68 and 10,440,193.60 is: 14,395,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,505.28 : 17,608,939.68 = 10,440,193.60 : x
  2. Step 2: Convert to fraction form
    12,770,505.28/17,608,939.68 = 10,440,193.60/x
  3. Step 3: Cross multiply
    12,770,505.28x = 17,608,939.68 × 10,440,193.60
  4. Step 4: Simplify right side
    12,770,505.28x = 183,840,739,349,922.03
  5. Step 5: Solve for x
    x = 183,840,739,349,922.03/12,770,505.28
  6. Step 6: Final answer
    x = 14,395,729.48

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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.