Home / 10,362,679.45-15,544,019.18-8,197,841.05

Finding the Fourth Proportional to 10,362,679.45, 15,544,019.18 and 8,197,841.05

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Solution

The fourth proportional to 10,362,679.45, 15,544,019.18 and 8,197,841.05 is: 12,296,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,679.45 : 15,544,019.18 = 8,197,841.05 : x
  2. Step 2: Convert to fraction form
    10,362,679.45/15,544,019.18 = 8,197,841.05/x
  3. Step 3: Cross multiply
    10,362,679.45x = 15,544,019.18 × 8,197,841.05
  4. Step 4: Simplify right side
    10,362,679.45x = 127,427,398,515,791.33
  5. Step 5: Solve for x
    x = 127,427,398,515,791.33/10,362,679.45
  6. Step 6: Final answer
    x = 12,296,761.58

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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.