Home / 21,055,555.56-31,592,948.70-11,456,538.60

Finding the Fourth Proportional to 21,055,555.56, 31,592,948.70 and 11,456,538.60

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Solution

The fourth proportional to 21,055,555.56, 31,592,948.70 and 11,456,538.60 is: 17,190,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055,555.56 : 31,592,948.70 = 11,456,538.60 : x
  2. Step 2: Convert to fraction form
    21,055,555.56/31,592,948.70 = 11,456,538.60/x
  3. Step 3: Cross multiply
    21,055,555.56x = 31,592,948.70 × 11,456,538.60
  4. Step 4: Simplify right side
    21,055,555.56x = 361,945,836,269,369.81
  5. Step 5: Solve for x
    x = 361,945,836,269,369.81/21,055,555.56
  6. Step 6: Final answer
    x = 17,190,039.71

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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.