Home / 16,821,036.53-25,231,554.79-13,831,680.90

Finding the Fourth Proportional to 16,821,036.53, 25,231,554.79 and 13,831,680.90

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Solution

The fourth proportional to 16,821,036.53, 25,231,554.79 and 13,831,680.90 is: 20,747,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,036.53 : 25,231,554.79 = 13,831,680.90 : x
  2. Step 2: Convert to fraction form
    16,821,036.53/25,231,554.79 = 13,831,680.90/x
  3. Step 3: Cross multiply
    16,821,036.53x = 25,231,554.79 × 13,831,680.90
  4. Step 4: Simplify right side
    16,821,036.53x = 348,994,814,431,567.31
  5. Step 5: Solve for x
    x = 348,994,814,431,567.31/16,821,036.53
  6. Step 6: Final answer
    x = 20,747,521.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.