Home / 11,520,131.40-17,280,197.10-7,936,950.60

Finding the Fourth Proportional to 11,520,131.40, 17,280,197.10 and 7,936,950.60

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Solution

The fourth proportional to 11,520,131.40, 17,280,197.10 and 7,936,950.60 is: 11,905,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,131.40 : 17,280,197.10 = 7,936,950.60 : x
  2. Step 2: Convert to fraction form
    11,520,131.40/17,280,197.10 = 7,936,950.60/x
  3. Step 3: Cross multiply
    11,520,131.40x = 17,280,197.10 × 7,936,950.60
  4. Step 4: Simplify right side
    11,520,131.40x = 137,152,070,740,963.27
  5. Step 5: Solve for x
    x = 137,152,070,740,963.27/11,520,131.40
  6. Step 6: Final answer
    x = 11,905,425.90

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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.