Home / 21,101,596.86-29,119,578.21-11,682,807.60

Finding the Fourth Proportional to 21,101,596.86, 29,119,578.21 and 11,682,807.60

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Solution

The fourth proportional to 21,101,596.86, 29,119,578.21 and 11,682,807.60 is: 16,121,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,596.86 : 29,119,578.21 = 11,682,807.60 : x
  2. Step 2: Convert to fraction form
    21,101,596.86/29,119,578.21 = 11,682,807.60/x
  3. Step 3: Cross multiply
    21,101,596.86x = 29,119,578.21 × 11,682,807.60
  4. Step 4: Simplify right side
    21,101,596.86x = 340,198,429,620,582.38
  5. Step 5: Solve for x
    x = 340,198,429,620,582.38/21,101,596.86
  6. Step 6: Final answer
    x = 16,121,928.21

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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.