Home / 30,337,225.20-45,505,837.80-13,279,791.60

Finding the Fourth Proportional to 30,337,225.20, 45,505,837.80 and 13,279,791.60

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Solution

The fourth proportional to 30,337,225.20, 45,505,837.80 and 13,279,791.60 is: 19,919,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337,225.20 : 45,505,837.80 = 13,279,791.60 : x
  2. Step 2: Convert to fraction form
    30,337,225.20/45,505,837.80 = 13,279,791.60/x
  3. Step 3: Cross multiply
    30,337,225.20x = 45,505,837.80 × 13,279,791.60
  4. Step 4: Simplify right side
    30,337,225.20x = 604,308,042,567,402.38
  5. Step 5: Solve for x
    x = 604,308,042,567,402.38/30,337,225.20
  6. Step 6: Final answer
    x = 19,919,687.40

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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.