Home / 18,018,334.87-27,032,109.35-5,238,839.56

Finding the Fourth Proportional to 18,018,334.87, 27,032,109.35 and 5,238,839.56

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Solution

The fourth proportional to 18,018,334.87, 27,032,109.35 and 5,238,839.56 is: 7,859,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,334.87 : 27,032,109.35 = 5,238,839.56 : x
  2. Step 2: Convert to fraction form
    18,018,334.87/27,032,109.35 = 5,238,839.56/x
  3. Step 3: Cross multiply
    18,018,334.87x = 27,032,109.35 × 5,238,839.56
  4. Step 4: Simplify right side
    18,018,334.87x = 141,616,883,853,025.88
  5. Step 5: Solve for x
    x = 141,616,883,853,025.88/18,018,334.87
  6. Step 6: Final answer
    x = 7,859,598.84

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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.