Home / 18,663,902-25,756,185.12-10,079,198

Finding the Fourth Proportional to 18,663,902, 25,756,185.12 and 10,079,198

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Solution

The fourth proportional to 18,663,902, 25,756,185.12 and 10,079,198 is: 13,909,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,902 : 25,756,185.12 = 10,079,198 : x
  2. Step 2: Convert to fraction form
    18,663,902/25,756,185.12 = 10,079,198/x
  3. Step 3: Cross multiply
    18,663,902x = 25,756,185.12 × 10,079,198
  4. Step 4: Simplify right side
    18,663,902x = 259,601,689,549,133.78
  5. Step 5: Solve for x
    x = 259,601,689,549,133.78/18,663,902
  6. Step 6: Final answer
    x = 13,909,293.43

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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.