Home / 18,257,721.64-25,196,443.14-10,108,960.36

Finding the Fourth Proportional to 18,257,721.64, 25,196,443.14 and 10,108,960.36

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Solution

The fourth proportional to 18,257,721.64, 25,196,443.14 and 10,108,960.36 is: 13,950,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,721.64 : 25,196,443.14 = 10,108,960.36 : x
  2. Step 2: Convert to fraction form
    18,257,721.64/25,196,443.14 = 10,108,960.36/x
  3. Step 3: Cross multiply
    18,257,721.64x = 25,196,443.14 × 10,108,960.36
  4. Step 4: Simplify right side
    18,257,721.64x = 254,709,844,915,253.91
  5. Step 5: Solve for x
    x = 254,709,844,915,253.91/18,257,721.64
  6. Step 6: Final answer
    x = 13,950,801.20

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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.