Home / 12,841,467.22-17,720,754.51-7,040,121.67

Finding the Fourth Proportional to 12,841,467.22, 17,720,754.51 and 7,040,121.67

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Solution

The fourth proportional to 12,841,467.22, 17,720,754.51 and 7,040,121.67 is: 9,715,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841,467.22 : 17,720,754.51 = 7,040,121.67 : x
  2. Step 2: Convert to fraction form
    12,841,467.22/17,720,754.51 = 7,040,121.67/x
  3. Step 3: Cross multiply
    12,841,467.22x = 17,720,754.51 × 7,040,121.67
  4. Step 4: Simplify right side
    12,841,467.22x = 124,756,267,834,601.23
  5. Step 5: Solve for x
    x = 124,756,267,834,601.23/12,841,467.22
  6. Step 6: Final answer
    x = 9,715,110.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.