Home / 13,108,556.43-19,649,191.41-7,342,837.11

Finding the Fourth Proportional to 13,108,556.43, 19,649,191.41 and 7,342,837.11

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Solution

The fourth proportional to 13,108,556.43, 19,649,191.41 and 7,342,837.11 is: 11,006,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,556.43 : 19,649,191.41 = 7,342,837.11 : x
  2. Step 2: Convert to fraction form
    13,108,556.43/19,649,191.41 = 7,342,837.11/x
  3. Step 3: Cross multiply
    13,108,556.43x = 19,649,191.41 × 7,342,837.11
  4. Step 4: Simplify right side
    13,108,556.43x = 144,280,811,866,841.22
  5. Step 5: Solve for x
    x = 144,280,811,866,841.22/13,108,556.43
  6. Step 6: Final answer
    x = 11,006,613.32

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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.