Home / 20,617,635.03-28,450,642.35-11,324,724.83

Finding the Fourth Proportional to 20,617,635.03, 28,450,642.35 and 11,324,724.83

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Solution

The fourth proportional to 20,617,635.03, 28,450,642.35 and 11,324,724.83 is: 15,627,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,635.03 : 28,450,642.35 = 11,324,724.83 : x
  2. Step 2: Convert to fraction form
    20,617,635.03/28,450,642.35 = 11,324,724.83/x
  3. Step 3: Cross multiply
    20,617,635.03x = 28,450,642.35 × 11,324,724.83
  4. Step 4: Simplify right side
    20,617,635.03x = 322,195,695,793,870.94
  5. Step 5: Solve for x
    x = 322,195,695,793,870.94/20,617,635.03
  6. Step 6: Final answer
    x = 15,627,189.80

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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.