Home / 15,289,528.09-21,099,551.77-8,414,010.19

Finding the Fourth Proportional to 15,289,528.09, 21,099,551.77 and 8,414,010.19

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Solution

The fourth proportional to 15,289,528.09, 21,099,551.77 and 8,414,010.19 is: 11,611,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,528.09 : 21,099,551.77 = 8,414,010.19 : x
  2. Step 2: Convert to fraction form
    15,289,528.09/21,099,551.77 = 8,414,010.19/x
  3. Step 3: Cross multiply
    15,289,528.09x = 21,099,551.77 × 8,414,010.19
  4. Step 4: Simplify right side
    15,289,528.09x = 177,531,843,555,142.47
  5. Step 5: Solve for x
    x = 177,531,843,555,142.47/15,289,528.09
  6. Step 6: Final answer
    x = 11,611,335.71

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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.