Home / 18,440,249.51-25,450,875.38-10,998,388.49

Finding the Fourth Proportional to 18,440,249.51, 25,450,875.38 and 10,998,388.49

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Solution

The fourth proportional to 18,440,249.51, 25,450,875.38 and 10,998,388.49 is: 15,179,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,249.51 : 25,450,875.38 = 10,998,388.49 : x
  2. Step 2: Convert to fraction form
    18,440,249.51/25,450,875.38 = 10,998,388.49/x
  3. Step 3: Cross multiply
    18,440,249.51x = 25,450,875.38 × 10,998,388.49
  4. Step 4: Simplify right side
    18,440,249.51x = 279,918,614,740,057.97
  5. Step 5: Solve for x
    x = 279,918,614,740,057.97/18,440,249.51
  6. Step 6: Final answer
    x = 15,179,762.86

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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.