Home / 20,589,366.79-28,413,239.56-11,422,009.54

Finding the Fourth Proportional to 20,589,366.79, 28,413,239.56 and 11,422,009.54

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Solution

The fourth proportional to 20,589,366.79, 28,413,239.56 and 11,422,009.54 is: 15,762,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,366.79 : 28,413,239.56 = 11,422,009.54 : x
  2. Step 2: Convert to fraction form
    20,589,366.79/28,413,239.56 = 11,422,009.54/x
  3. Step 3: Cross multiply
    20,589,366.79x = 28,413,239.56 × 11,422,009.54
  4. Step 4: Simplify right side
    20,589,366.79x = 324,536,293,316,625.38
  5. Step 5: Solve for x
    x = 324,536,293,316,625.38/20,589,366.79
  6. Step 6: Final answer
    x = 15,762,325.12

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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.