Home / 18,608,220.78-27,914,081.40-5,477,647.26

Finding the Fourth Proportional to 18,608,220.78, 27,914,081.40 and 5,477,647.26

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Solution

The fourth proportional to 18,608,220.78, 27,914,081.40 and 5,477,647.26 is: 8,216,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608,220.78 : 27,914,081.40 = 5,477,647.26 : x
  2. Step 2: Convert to fraction form
    18,608,220.78/27,914,081.40 = 5,477,647.26/x
  3. Step 3: Cross multiply
    18,608,220.78x = 27,914,081.40 × 5,477,647.26
  4. Step 4: Simplify right side
    18,608,220.78x = 152,903,491,496,126.94
  5. Step 5: Solve for x
    x = 152,903,491,496,126.94/18,608,220.78
  6. Step 6: Final answer
    x = 8,216,986.10

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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.