Home / 21,101,583.45-29,119,559.73-11,682,794.22

Finding the Fourth Proportional to 21,101,583.45, 29,119,559.73 and 11,682,794.22

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Solution

The fourth proportional to 21,101,583.45, 29,119,559.73 and 11,682,794.22 is: 16,121,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,583.45 : 29,119,559.73 = 11,682,794.22 : x
  2. Step 2: Convert to fraction form
    21,101,583.45/29,119,559.73 = 11,682,794.22/x
  3. Step 3: Cross multiply
    21,101,583.45x = 29,119,559.73 × 11,682,794.22
  4. Step 4: Simplify right side
    21,101,583.45x = 340,197,824,012,920.88
  5. Step 5: Solve for x
    x = 340,197,824,012,920.88/21,101,583.45
  6. Step 6: Final answer
    x = 16,121,909.75

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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.