Home / 21,647,451.88-29,873,703.14-13,061,089

Finding the Fourth Proportional to 21,647,451.88, 29,873,703.14 and 13,061,089

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Solution

The fourth proportional to 21,647,451.88, 29,873,703.14 and 13,061,089 is: 18,024,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647,451.88 : 29,873,703.14 = 13,061,089 : x
  2. Step 2: Convert to fraction form
    21,647,451.88/29,873,703.14 = 13,061,089/x
  3. Step 3: Cross multiply
    21,647,451.88x = 29,873,703.14 × 13,061,089
  4. Step 4: Simplify right side
    21,647,451.88x = 390,183,095,471,119.44
  5. Step 5: Solve for x
    x = 390,183,095,471,119.44/21,647,451.88
  6. Step 6: Final answer
    x = 18,024,435.28

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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.