Home / 30,310,168.47-45,493,996.44-18,760,699.63

Finding the Fourth Proportional to 30,310,168.47, 45,493,996.44 and 18,760,699.63

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Solution

The fourth proportional to 30,310,168.47, 45,493,996.44 and 18,760,699.63 is: 28,158,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,168.47 : 45,493,996.44 = 18,760,699.63 : x
  2. Step 2: Convert to fraction form
    30,310,168.47/45,493,996.44 = 18,760,699.63/x
  3. Step 3: Cross multiply
    30,310,168.47x = 45,493,996.44 × 18,760,699.63
  4. Step 4: Simplify right side
    30,310,168.47x = 853,499,202,179,129.25
  5. Step 5: Solve for x
    x = 853,499,202,179,129.25/30,310,168.47
  6. Step 6: Final answer
    x = 28,158,840.59

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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.