Home / 13,306,859.10-19,922,963.85-12,933,611.10

Finding the Fourth Proportional to 13,306,859.10, 19,922,963.85 and 12,933,611.10

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Solution

The fourth proportional to 13,306,859.10, 19,922,963.85 and 12,933,611.10 is: 19,364,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,859.10 : 19,922,963.85 = 12,933,611.10 : x
  2. Step 2: Convert to fraction form
    13,306,859.10/19,922,963.85 = 12,933,611.10/x
  3. Step 3: Cross multiply
    13,306,859.10x = 19,922,963.85 × 12,933,611.10
  4. Step 4: Simplify right side
    13,306,859.10x = 257,675,866,395,258.75
  5. Step 5: Solve for x
    x = 257,675,866,395,258.75/13,306,859.10
  6. Step 6: Final answer
    x = 19,364,138.78

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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.