Home / 21,033,444.81-31,550,137.82-11,691,537.22

Finding the Fourth Proportional to 21,033,444.81, 31,550,137.82 and 11,691,537.22

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Solution

The fourth proportional to 21,033,444.81, 31,550,137.82 and 11,691,537.22 is: 17,537,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,444.81 : 31,550,137.82 = 11,691,537.22 : x
  2. Step 2: Convert to fraction form
    21,033,444.81/31,550,137.82 = 11,691,537.22/x
  3. Step 3: Cross multiply
    21,033,444.81x = 31,550,137.82 × 11,691,537.22
  4. Step 4: Simplify right side
    21,033,444.81x = 368,869,610,618,659.69
  5. Step 5: Solve for x
    x = 368,869,610,618,659.69/21,033,444.81
  6. Step 6: Final answer
    x = 17,537,289.49

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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.