Home / 13,436,006.80-20,175,005.40-7,767,302.80

Finding the Fourth Proportional to 13,436,006.80, 20,175,005.40 and 7,767,302.80

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Solution

The fourth proportional to 13,436,006.80, 20,175,005.40 and 7,767,302.80 is: 11,663,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,006.80 : 20,175,005.40 = 7,767,302.80 : x
  2. Step 2: Convert to fraction form
    13,436,006.80/20,175,005.40 = 7,767,302.80/x
  3. Step 3: Cross multiply
    13,436,006.80x = 20,175,005.40 × 7,767,302.80
  4. Step 4: Simplify right side
    13,436,006.80x = 156,705,375,933,435.09
  5. Step 5: Solve for x
    x = 156,705,375,933,435.09/13,436,006.80
  6. Step 6: Final answer
    x = 11,663,091.44

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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.