Home / 31,086,705.88-42,898,896.53-17,147,755.79

Finding the Fourth Proportional to 31,086,705.88, 42,898,896.53 and 17,147,755.79

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Solution

The fourth proportional to 31,086,705.88, 42,898,896.53 and 17,147,755.79 is: 23,663,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,086,705.88 : 42,898,896.53 = 17,147,755.79 : x
  2. Step 2: Convert to fraction form
    31,086,705.88/42,898,896.53 = 17,147,755.79/x
  3. Step 3: Cross multiply
    31,086,705.88x = 42,898,896.53 × 17,147,755.79
  4. Step 4: Simplify right side
    31,086,705.88x = 735,619,801,346,164.12
  5. Step 5: Solve for x
    x = 735,619,801,346,164.12/31,086,705.88
  6. Step 6: Final answer
    x = 23,663,485.10

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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.