Home / 18,400,576.34-25,392,969-10,140,940.72

Finding the Fourth Proportional to 18,400,576.34, 25,392,969 and 10,140,940.72

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Solution

The fourth proportional to 18,400,576.34, 25,392,969 and 10,140,940.72 is: 13,994,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400,576.34 : 25,392,969 = 10,140,940.72 : x
  2. Step 2: Convert to fraction form
    18,400,576.34/25,392,969 = 10,140,940.72/x
  3. Step 3: Cross multiply
    18,400,576.34x = 25,392,969 × 10,140,940.72
  4. Step 4: Simplify right side
    18,400,576.34x = 257,508,593,333,797.69
  5. Step 5: Solve for x
    x = 257,508,593,333,797.69/18,400,576.34
  6. Step 6: Final answer
    x = 13,994,593.90

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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.