Home / 15,280,726-21,086,988.24-8,666,527.54

Finding the Fourth Proportional to 15,280,726, 21,086,988.24 and 8,666,527.54

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Solution

The fourth proportional to 15,280,726, 21,086,988.24 and 8,666,527.54 is: 11,959,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,726 : 21,086,988.24 = 8,666,527.54 : x
  2. Step 2: Convert to fraction form
    15,280,726/21,086,988.24 = 8,666,527.54/x
  3. Step 3: Cross multiply
    15,280,726x = 21,086,988.24 × 8,666,527.54
  4. Step 4: Simplify right side
    15,280,726x = 182,750,964,317,616.09
  5. Step 5: Solve for x
    x = 182,750,964,317,616.09/15,280,726
  6. Step 6: Final answer
    x = 11,959,573.41

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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.