Home / 36,978,418.61-51,028,350.45-20,232,795.72

Finding the Fourth Proportional to 36,978,418.61, 51,028,350.45 and 20,232,795.72

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Solution

The fourth proportional to 36,978,418.61, 51,028,350.45 and 20,232,795.72 is: 27,920,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,978,418.61 : 51,028,350.45 = 20,232,795.72 : x
  2. Step 2: Convert to fraction form
    36,978,418.61/51,028,350.45 = 20,232,795.72/x
  3. Step 3: Cross multiply
    36,978,418.61x = 51,028,350.45 × 20,232,795.72
  4. Step 4: Simplify right side
    36,978,418.61x = 1,032,446,190,583,420.12
  5. Step 5: Solve for x
    x = 1,032,446,190,583,420.12/36,978,418.61
  6. Step 6: Final answer
    x = 27,920,236.44

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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.