Home / 18,221,443-27,351,076.32-10,560,056.68

Finding the Fourth Proportional to 18,221,443, 27,351,076.32 and 10,560,056.68

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Solution

The fourth proportional to 18,221,443, 27,351,076.32 and 10,560,056.68 is: 15,851,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221,443 : 27,351,076.32 = 10,560,056.68 : x
  2. Step 2: Convert to fraction form
    18,221,443/27,351,076.32 = 10,560,056.68/x
  3. Step 3: Cross multiply
    18,221,443x = 27,351,076.32 × 10,560,056.68
  4. Step 4: Simplify right side
    18,221,443x = 288,828,916,198,205.81
  5. Step 5: Solve for x
    x = 288,828,916,198,205.81/18,221,443
  6. Step 6: Final answer
    x = 15,851,045.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.