Home / 51,279,917.96-76,930,141.26-18,932,017.16

Finding the Fourth Proportional to 51,279,917.96, 76,930,141.26 and 18,932,017.16

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Solution

The fourth proportional to 51,279,917.96, 76,930,141.26 and 18,932,017.16 is: 28,401,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279,917.96 : 76,930,141.26 = 18,932,017.16 : x
  2. Step 2: Convert to fraction form
    51,279,917.96/76,930,141.26 = 18,932,017.16/x
  3. Step 3: Cross multiply
    51,279,917.96x = 76,930,141.26 × 18,932,017.16
  4. Step 4: Simplify right side
    51,279,917.96x = 1,456,442,754,455,544.25
  5. Step 5: Solve for x
    x = 1,456,442,754,455,544.25/51,279,917.96
  6. Step 6: Final answer
    x = 28,401,815.22

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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.