Home / 38,538,236.88-57,807,455.76-12,997,187.28

Finding the Fourth Proportional to 38,538,236.88, 57,807,455.76 and 12,997,187.28

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Solution

The fourth proportional to 38,538,236.88, 57,807,455.76 and 12,997,187.28 is: 19,495,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538,236.88 : 57,807,455.76 = 12,997,187.28 : x
  2. Step 2: Convert to fraction form
    38,538,236.88/57,807,455.76 = 12,997,187.28/x
  3. Step 3: Cross multiply
    38,538,236.88x = 57,807,455.76 × 12,997,187.28
  4. Step 4: Simplify right side
    38,538,236.88x = 751,334,328,693,034.62
  5. Step 5: Solve for x
    x = 751,334,328,693,034.62/38,538,236.88
  6. Step 6: Final answer
    x = 19,495,814.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.