Home / 31,047,224.15-42,845,456.04-17,109,077.78

Finding the Fourth Proportional to 31,047,224.15, 42,845,456.04 and 17,109,077.78

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Solution

The fourth proportional to 31,047,224.15, 42,845,456.04 and 17,109,077.78 is: 23,610,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047,224.15 : 42,845,456.04 = 17,109,077.78 : x
  2. Step 2: Convert to fraction form
    31,047,224.15/42,845,456.04 = 17,109,077.78/x
  3. Step 3: Cross multiply
    31,047,224.15x = 42,845,456.04 × 17,109,077.78
  4. Step 4: Simplify right side
    31,047,224.15x = 733,046,239,907,930.88
  5. Step 5: Solve for x
    x = 733,046,239,907,930.88/31,047,224.15
  6. Step 6: Final answer
    x = 23,610,685.33

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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.