Home / 14,974,738.88-20,665,142.88-8,449,753.28

Finding the Fourth Proportional to 14,974,738.88, 20,665,142.88 and 8,449,753.28

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Solution

The fourth proportional to 14,974,738.88, 20,665,142.88 and 8,449,753.28 is: 11,660,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974,738.88 : 20,665,142.88 = 8,449,753.28 : x
  2. Step 2: Convert to fraction form
    14,974,738.88/20,665,142.88 = 8,449,753.28/x
  3. Step 3: Cross multiply
    14,974,738.88x = 20,665,142.88 × 8,449,753.28
  4. Step 4: Simplify right side
    14,974,738.88x = 174,615,358,831,948.62
  5. Step 5: Solve for x
    x = 174,615,358,831,948.62/14,974,738.88
  6. Step 6: Final answer
    x = 11,660,661.35

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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.