Home / 18,362,555.89-27,545,375.77-5,583,171.31

Finding the Fourth Proportional to 18,362,555.89, 27,545,375.77 and 5,583,171.31

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Solution

The fourth proportional to 18,362,555.89, 27,545,375.77 and 5,583,171.31 is: 8,375,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362,555.89 : 27,545,375.77 = 5,583,171.31 : x
  2. Step 2: Convert to fraction form
    18,362,555.89/27,545,375.77 = 5,583,171.31/x
  3. Step 3: Cross multiply
    18,362,555.89x = 27,545,375.77 × 5,583,171.31
  4. Step 4: Simplify right side
    18,362,555.89x = 153,790,551,639,411.78
  5. Step 5: Solve for x
    x = 153,790,551,639,411.78/18,362,555.89
  6. Step 6: Final answer
    x = 8,375,225.79

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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.