Home / 18,018,330.62-27,032,102.99-5,238,835.32

Finding the Fourth Proportional to 18,018,330.62, 27,032,102.99 and 5,238,835.32

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Solution

The fourth proportional to 18,018,330.62, 27,032,102.99 and 5,238,835.32 is: 7,859,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,330.62 : 27,032,102.99 = 5,238,835.32 : x
  2. Step 2: Convert to fraction form
    18,018,330.62/27,032,102.99 = 5,238,835.32/x
  3. Step 3: Cross multiply
    18,018,330.62x = 27,032,102.99 × 5,238,835.32
  4. Step 4: Simplify right side
    18,018,330.62x = 141,616,736,012,711.47
  5. Step 5: Solve for x
    x = 141,616,736,012,711.47/18,018,330.62
  6. Step 6: Final answer
    x = 7,859,592.49

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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.