Home / 22,240,055.36-30,690,379.68-12,947,892.85

Finding the Fourth Proportional to 22,240,055.36, 30,690,379.68 and 12,947,892.85

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Solution

The fourth proportional to 22,240,055.36, 30,690,379.68 and 12,947,892.85 is: 17,867,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,240,055.36 : 30,690,379.68 = 12,947,892.85 : x
  2. Step 2: Convert to fraction form
    22,240,055.36/30,690,379.68 = 12,947,892.85/x
  3. Step 3: Cross multiply
    22,240,055.36x = 30,690,379.68 × 12,947,892.85
  4. Step 4: Simplify right side
    22,240,055.36x = 397,375,747,622,457.25
  5. Step 5: Solve for x
    x = 397,375,747,622,457.25/22,240,055.36
  6. Step 6: Final answer
    x = 17,867,570.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.