Home / 18,695,745.36-28,040,811.24-5,914,589.28

Finding the Fourth Proportional to 18,695,745.36, 28,040,811.24 and 5,914,589.28

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Solution

The fourth proportional to 18,695,745.36, 28,040,811.24 and 5,914,589.28 is: 8,870,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,745.36 : 28,040,811.24 = 5,914,589.28 : x
  2. Step 2: Convert to fraction form
    18,695,745.36/28,040,811.24 = 5,914,589.28/x
  3. Step 3: Cross multiply
    18,695,745.36x = 28,040,811.24 × 5,914,589.28
  4. Step 4: Simplify right side
    18,695,745.36x = 165,849,881,562,607.50
  5. Step 5: Solve for x
    x = 165,849,881,562,607.50/18,695,745.36
  6. Step 6: Final answer
    x = 8,870,995.96

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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.