Home / 18,018,333.87-27,032,107.85-5,238,838.56

Finding the Fourth Proportional to 18,018,333.87, 27,032,107.85 and 5,238,838.56

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Solution

The fourth proportional to 18,018,333.87, 27,032,107.85 and 5,238,838.56 is: 7,859,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,333.87 : 27,032,107.85 = 5,238,838.56 : x
  2. Step 2: Convert to fraction form
    18,018,333.87/27,032,107.85 = 5,238,838.56/x
  3. Step 3: Cross multiply
    18,018,333.87x = 27,032,107.85 × 5,238,838.56
  4. Step 4: Simplify right side
    18,018,333.87x = 141,616,848,962,658.69
  5. Step 5: Solve for x
    x = 141,616,848,962,658.69/18,018,333.87
  6. Step 6: Final answer
    x = 7,859,597.34

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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.