Home / 40,178,932.20-55,458,726.66-26,242,417.86

Finding the Fourth Proportional to 40,178,932.20, 55,458,726.66 and 26,242,417.86

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Solution

The fourth proportional to 40,178,932.20, 55,458,726.66 and 26,242,417.86 is: 36,222,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178,932.20 : 55,458,726.66 = 26,242,417.86 : x
  2. Step 2: Convert to fraction form
    40,178,932.20/55,458,726.66 = 26,242,417.86/x
  3. Step 3: Cross multiply
    40,178,932.20x = 55,458,726.66 × 26,242,417.86
  4. Step 4: Simplify right side
    40,178,932.20x = 1,455,371,078,995,242
  5. Step 5: Solve for x
    x = 1,455,371,078,995,242/40,178,932.20
  6. Step 6: Final answer
    x = 36,222,243.83

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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.