Home / 13,590,379.31-20,385,610.89-3,355,240.28

Finding the Fourth Proportional to 13,590,379.31, 20,385,610.89 and 3,355,240.28

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Solution

The fourth proportional to 13,590,379.31, 20,385,610.89 and 3,355,240.28 is: 5,032,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,379.31 : 20,385,610.89 = 3,355,240.28 : x
  2. Step 2: Convert to fraction form
    13,590,379.31/20,385,610.89 = 3,355,240.28/x
  3. Step 3: Cross multiply
    13,590,379.31x = 20,385,610.89 × 3,355,240.28
  4. Step 4: Simplify right side
    13,590,379.31x = 68,398,622,790,534.65
  5. Step 5: Solve for x
    x = 68,398,622,790,534.65/13,590,379.31
  6. Step 6: Final answer
    x = 5,032,870.77

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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.