Home / 12,672,196.80-19,003,629.60-4,152,811.20

Finding the Fourth Proportional to 12,672,196.80, 19,003,629.60 and 4,152,811.20

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Solution

The fourth proportional to 12,672,196.80, 19,003,629.60 and 4,152,811.20 is: 6,227,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,196.80 : 19,003,629.60 = 4,152,811.20 : x
  2. Step 2: Convert to fraction form
    12,672,196.80/19,003,629.60 = 4,152,811.20/x
  3. Step 3: Cross multiply
    12,672,196.80x = 19,003,629.60 × 4,152,811.20
  4. Step 4: Simplify right side
    12,672,196.80x = 78,918,485,843,531.53
  5. Step 5: Solve for x
    x = 78,918,485,843,531.53/12,672,196.80
  6. Step 6: Final answer
    x = 6,227,687.83

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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.