Home / 40,178,849.12-55,458,611.96-26,242,334.76

Finding the Fourth Proportional to 40,178,849.12, 55,458,611.96 and 26,242,334.76

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Solution

The fourth proportional to 40,178,849.12, 55,458,611.96 and 26,242,334.76 is: 36,222,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178,849.12 : 55,458,611.96 = 26,242,334.76 : x
  2. Step 2: Convert to fraction form
    40,178,849.12/55,458,611.96 = 26,242,334.76/x
  3. Step 3: Cross multiply
    40,178,849.12x = 55,458,611.96 × 26,242,334.76
  4. Step 4: Simplify right side
    40,178,849.12x = 1,455,363,460,379,259.75
  5. Step 5: Solve for x
    x = 1,455,363,460,379,259.75/40,178,849.12
  6. Step 6: Final answer
    x = 36,222,129.11

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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.