Home / 13,342,989.75-19,991,613.60-8,957,916.24

Finding the Fourth Proportional to 13,342,989.75, 19,991,613.60 and 8,957,916.24

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Solution

The fourth proportional to 13,342,989.75, 19,991,613.60 and 8,957,916.24 is: 13,421,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,989.75 : 19,991,613.60 = 8,957,916.24 : x
  2. Step 2: Convert to fraction form
    13,342,989.75/19,991,613.60 = 8,957,916.24/x
  3. Step 3: Cross multiply
    13,342,989.75x = 19,991,613.60 × 8,957,916.24
  4. Step 4: Simplify right side
    13,342,989.75x = 179,083,200,131,244.88
  5. Step 5: Solve for x
    x = 179,083,200,131,244.88/13,342,989.75
  6. Step 6: Final answer
    x = 13,421,519.73

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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.