Home / 18,018,341.06-27,032,118.59-5,238,845.71

Finding the Fourth Proportional to 18,018,341.06, 27,032,118.59 and 5,238,845.71

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Solution

The fourth proportional to 18,018,341.06, 27,032,118.59 and 5,238,845.71 is: 7,859,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,341.06 : 27,032,118.59 = 5,238,845.71 : x
  2. Step 2: Convert to fraction form
    18,018,341.06/27,032,118.59 = 5,238,845.71/x
  3. Step 3: Cross multiply
    18,018,341.06x = 27,032,118.59 × 5,238,845.71
  4. Step 4: Simplify right side
    18,018,341.06x = 141,617,098,452,949.56
  5. Step 5: Solve for x
    x = 141,617,098,452,949.56/18,018,341.06
  6. Step 6: Final answer
    x = 7,859,608.05

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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.