Home / 34,485,936.93-47,572,782.96-21,428,234.73

Finding the Fourth Proportional to 34,485,936.93, 47,572,782.96 and 21,428,234.73

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Solution

The fourth proportional to 34,485,936.93, 47,572,782.96 and 21,428,234.73 is: 29,559,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485,936.93 : 47,572,782.96 = 21,428,234.73 : x
  2. Step 2: Convert to fraction form
    34,485,936.93/47,572,782.96 = 21,428,234.73/x
  3. Step 3: Cross multiply
    34,485,936.93x = 47,572,782.96 × 21,428,234.73
  4. Step 4: Simplify right side
    34,485,936.93x = 1,019,400,760,026,224.25
  5. Step 5: Solve for x
    x = 1,019,400,760,026,224.25/34,485,936.93
  6. Step 6: Final answer
    x = 29,559,897.48

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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.