Home / 40,138,379.72-55,392,486.66-22,497,608.32

Finding the Fourth Proportional to 40,138,379.72, 55,392,486.66 and 22,497,608.32

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Solution

The fourth proportional to 40,138,379.72, 55,392,486.66 and 22,497,608.32 is: 31,047,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138,379.72 : 55,392,486.66 = 22,497,608.32 : x
  2. Step 2: Convert to fraction form
    40,138,379.72/55,392,486.66 = 22,497,608.32/x
  3. Step 3: Cross multiply
    40,138,379.72x = 55,392,486.66 × 22,497,608.32
  4. Step 4: Simplify right side
    40,138,379.72x = 1,246,198,468,920,606.50
  5. Step 5: Solve for x
    x = 1,246,198,468,920,606.50/40,138,379.72
  6. Step 6: Final answer
    x = 31,047,552.93

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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.