Home / 40,099,840.70-55,336,298.38-21,764,732.54

Finding the Fourth Proportional to 40,099,840.70, 55,336,298.38 and 21,764,732.54

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Solution

The fourth proportional to 40,099,840.70, 55,336,298.38 and 21,764,732.54 is: 30,034,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,840.70 : 55,336,298.38 = 21,764,732.54 : x
  2. Step 2: Convert to fraction form
    40,099,840.70/55,336,298.38 = 21,764,732.54/x
  3. Step 3: Cross multiply
    40,099,840.70x = 55,336,298.38 × 21,764,732.54
  4. Step 4: Simplify right side
    40,099,840.70x = 1,204,379,733,663,242
  5. Step 5: Solve for x
    x = 1,204,379,733,663,242/40,099,840.70
  6. Step 6: Final answer
    x = 30,034,526.64

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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.