Home / 18,651,968-27,959,274.24-7,276,766.72

Finding the Fourth Proportional to 18,651,968, 27,959,274.24 and 7,276,766.72

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Solution

The fourth proportional to 18,651,968, 27,959,274.24 and 7,276,766.72 is: 10,907,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651,968 : 27,959,274.24 = 7,276,766.72 : x
  2. Step 2: Convert to fraction form
    18,651,968/27,959,274.24 = 7,276,766.72/x
  3. Step 3: Cross multiply
    18,651,968x = 27,959,274.24 × 7,276,766.72
  4. Step 4: Simplify right side
    18,651,968x = 203,453,116,304,985.28
  5. Step 5: Solve for x
    x = 203,453,116,304,985.28/18,651,968
  6. Step 6: Final answer
    x = 10,907,863.25

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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.