Home / 10,759,125.21-16,129,893.09-5,005,445.46

Finding the Fourth Proportional to 10,759,125.21, 16,129,893.09 and 5,005,445.46

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Solution

The fourth proportional to 10,759,125.21, 16,129,893.09 and 5,005,445.46 is: 7,504,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759,125.21 : 16,129,893.09 = 5,005,445.46 : x
  2. Step 2: Convert to fraction form
    10,759,125.21/16,129,893.09 = 5,005,445.46/x
  3. Step 3: Cross multiply
    10,759,125.21x = 16,129,893.09 × 5,005,445.46
  4. Step 4: Simplify right side
    10,759,125.21x = 80,737,300,137,625.88
  5. Step 5: Solve for x
    x = 80,737,300,137,625.88/10,759,125.21
  6. Step 6: Final answer
    x = 7,504,076.64

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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.