Home / 18,018,339.66-27,032,116.46-5,238,844.29

Finding the Fourth Proportional to 18,018,339.66, 27,032,116.46 and 5,238,844.29

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Solution

The fourth proportional to 18,018,339.66, 27,032,116.46 and 5,238,844.29 is: 7,859,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,339.66 : 27,032,116.46 = 5,238,844.29 : x
  2. Step 2: Convert to fraction form
    18,018,339.66/27,032,116.46 = 5,238,844.29/x
  3. Step 3: Cross multiply
    18,018,339.66x = 27,032,116.46 × 5,238,844.29
  4. Step 4: Simplify right side
    18,018,339.66x = 141,617,048,936,891.78
  5. Step 5: Solve for x
    x = 141,617,048,936,891.78/18,018,339.66
  6. Step 6: Final answer
    x = 7,859,605.91

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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.