Home / 12,117,611.35-18,176,417.03-8,291,236.15

Finding the Fourth Proportional to 12,117,611.35, 18,176,417.03 and 8,291,236.15

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Solution

The fourth proportional to 12,117,611.35, 18,176,417.03 and 8,291,236.15 is: 12,436,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,611.35 : 18,176,417.03 = 8,291,236.15 : x
  2. Step 2: Convert to fraction form
    12,117,611.35/18,176,417.03 = 8,291,236.15/x
  3. Step 3: Cross multiply
    12,117,611.35x = 18,176,417.03 × 8,291,236.15
  4. Step 4: Simplify right side
    12,117,611.35x = 150,704,965,956,611.66
  5. Step 5: Solve for x
    x = 150,704,965,956,611.66/12,117,611.35
  6. Step 6: Final answer
    x = 12,436,854.23

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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.