Home / 40,099,837.32-55,336,293.72-21,764,729.16

Finding the Fourth Proportional to 40,099,837.32, 55,336,293.72 and 21,764,729.16

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Solution

The fourth proportional to 40,099,837.32, 55,336,293.72 and 21,764,729.16 is: 30,034,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,837.32 : 55,336,293.72 = 21,764,729.16 : x
  2. Step 2: Convert to fraction form
    40,099,837.32/55,336,293.72 = 21,764,729.16/x
  3. Step 3: Cross multiply
    40,099,837.32x = 55,336,293.72 × 21,764,729.16
  4. Step 4: Simplify right side
    40,099,837.32x = 1,204,379,445,534,008.75
  5. Step 5: Solve for x
    x = 1,204,379,445,534,008.75/40,099,837.32
  6. Step 6: Final answer
    x = 30,034,521.98

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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.