Home / 16,821,029.40-25,231,544.10-13,831,673.78

Finding the Fourth Proportional to 16,821,029.40, 25,231,544.10 and 13,831,673.78

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Solution

The fourth proportional to 16,821,029.40, 25,231,544.10 and 13,831,673.78 is: 20,747,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,029.40 : 25,231,544.10 = 13,831,673.78 : x
  2. Step 2: Convert to fraction form
    16,821,029.40/25,231,544.10 = 13,831,673.78/x
  3. Step 3: Cross multiply
    16,821,029.40x = 25,231,544.10 × 13,831,673.78
  4. Step 4: Simplify right side
    16,821,029.40x = 348,994,486,830,726
  5. Step 5: Solve for x
    x = 348,994,486,830,726/16,821,029.40
  6. Step 6: Final answer
    x = 20,747,510.66

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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.