Home / 18,258,173.84-27,389,930.36-5,479,688.24

Finding the Fourth Proportional to 18,258,173.84, 27,389,930.36 and 5,479,688.24

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Solution

The fourth proportional to 18,258,173.84, 27,389,930.36 and 5,479,688.24 is: 8,220,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258,173.84 : 27,389,930.36 = 5,479,688.24 : x
  2. Step 2: Convert to fraction form
    18,258,173.84/27,389,930.36 = 5,479,688.24/x
  3. Step 3: Cross multiply
    18,258,173.84x = 27,389,930.36 × 5,479,688.24
  4. Step 4: Simplify right side
    18,258,173.84x = 150,088,279,288,110.97
  5. Step 5: Solve for x
    x = 150,088,279,288,110.97/18,258,173.84
  6. Step 6: Final answer
    x = 8,220,333.57

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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.