Home / 18,457,832.69-25,472,076.42-10,198,085.25

Finding the Fourth Proportional to 18,457,832.69, 25,472,076.42 and 10,198,085.25

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Solution

The fourth proportional to 18,457,832.69, 25,472,076.42 and 10,198,085.25 is: 14,073,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,832.69 : 25,472,076.42 = 10,198,085.25 : x
  2. Step 2: Convert to fraction form
    18,457,832.69/25,472,076.42 = 10,198,085.25/x
  3. Step 3: Cross multiply
    18,457,832.69x = 25,472,076.42 × 10,198,085.25
  4. Step 4: Simplify right side
    18,457,832.69x = 259,766,406,825,674.81
  5. Step 5: Solve for x
    x = 259,766,406,825,674.81/18,457,832.69
  6. Step 6: Final answer
    x = 14,073,505.34

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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.