Home / 18,522,080.78-25,560,471.47-10,373,318.78

Finding the Fourth Proportional to 18,522,080.78, 25,560,471.47 and 10,373,318.78

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Solution

The fourth proportional to 18,522,080.78, 25,560,471.47 and 10,373,318.78 is: 14,315,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522,080.78 : 25,560,471.47 = 10,373,318.78 : x
  2. Step 2: Convert to fraction form
    18,522,080.78/25,560,471.47 = 10,373,318.78/x
  3. Step 3: Cross multiply
    18,522,080.78x = 25,560,471.47 × 10,373,318.78
  4. Step 4: Simplify right side
    18,522,080.78x = 265,146,918,725,405.19
  5. Step 5: Solve for x
    x = 265,146,918,725,405.19/18,522,080.78
  6. Step 6: Final answer
    x = 14,315,179.91

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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.