Home / 39,517,045.63-54,534,168.62-21,634,967.64

Finding the Fourth Proportional to 39,517,045.63, 54,534,168.62 and 21,634,967.64

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Solution

The fourth proportional to 39,517,045.63, 54,534,168.62 and 21,634,967.64 is: 29,856,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517,045.63 : 54,534,168.62 = 21,634,967.64 : x
  2. Step 2: Convert to fraction form
    39,517,045.63/54,534,168.62 = 21,634,967.64/x
  3. Step 3: Cross multiply
    39,517,045.63x = 54,534,168.62 × 21,634,967.64
  4. Step 4: Simplify right side
    39,517,045.63x = 1,179,844,973,368,003.50
  5. Step 5: Solve for x
    x = 1,179,844,973,368,003.50/39,517,045.63
  6. Step 6: Final answer
    x = 29,856,608.83

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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.