Home / 13,436,007.80-20,175,006.90-7,767,303.80

Finding the Fourth Proportional to 13,436,007.80, 20,175,006.90 and 7,767,303.80

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Solution

The fourth proportional to 13,436,007.80, 20,175,006.90 and 7,767,303.80 is: 11,663,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,007.80 : 20,175,006.90 = 7,767,303.80 : x
  2. Step 2: Convert to fraction form
    13,436,007.80/20,175,006.90 = 7,767,303.80/x
  3. Step 3: Cross multiply
    13,436,007.80x = 20,175,006.90 × 7,767,303.80
  4. Step 4: Simplify right side
    13,436,007.80x = 156,705,407,759,396.22
  5. Step 5: Solve for x
    x = 156,705,407,759,396.22/13,436,007.80
  6. Step 6: Final answer
    x = 11,663,092.94

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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.