Home / 21,454,776.91-29,607,243.31-11,665,467.60

Finding the Fourth Proportional to 21,454,776.91, 29,607,243.31 and 11,665,467.60

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Solution

The fourth proportional to 21,454,776.91, 29,607,243.31 and 11,665,467.60 is: 16,098,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454,776.91 : 29,607,243.31 = 11,665,467.60 : x
  2. Step 2: Convert to fraction form
    21,454,776.91/29,607,243.31 = 11,665,467.60/x
  3. Step 3: Cross multiply
    21,454,776.91x = 29,607,243.31 × 11,665,467.60
  4. Step 4: Simplify right side
    21,454,776.91x = 345,382,337,562,598.88
  5. Step 5: Solve for x
    x = 345,382,337,562,598.88/21,454,776.91
  6. Step 6: Final answer
    x = 16,098,155.63

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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.