Home / 18,522,078.78-25,560,468.71-10,373,316.78

Finding the Fourth Proportional to 18,522,078.78, 25,560,468.71 and 10,373,316.78

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Solution

The fourth proportional to 18,522,078.78, 25,560,468.71 and 10,373,316.78 is: 14,315,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522,078.78 : 25,560,468.71 = 10,373,316.78 : x
  2. Step 2: Convert to fraction form
    18,522,078.78/25,560,468.71 = 10,373,316.78/x
  3. Step 3: Cross multiply
    18,522,078.78x = 25,560,468.71 × 10,373,316.78
  4. Step 4: Simplify right side
    18,522,078.78x = 265,146,838,922,241.34
  5. Step 5: Solve for x
    x = 265,146,838,922,241.34/18,522,078.78
  6. Step 6: Final answer
    x = 14,315,177.15

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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.