Home / 18,490,825.20-27,736,237.80-8,393,446.20

Finding the Fourth Proportional to 18,490,825.20, 27,736,237.80 and 8,393,446.20

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Solution

The fourth proportional to 18,490,825.20, 27,736,237.80 and 8,393,446.20 is: 12,590,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490,825.20 : 27,736,237.80 = 8,393,446.20 : x
  2. Step 2: Convert to fraction form
    18,490,825.20/27,736,237.80 = 8,393,446.20/x
  3. Step 3: Cross multiply
    18,490,825.20x = 27,736,237.80 × 8,393,446.20
  4. Step 4: Simplify right side
    18,490,825.20x = 232,802,619,764,706.34
  5. Step 5: Solve for x
    x = 232,802,619,764,706.34/18,490,825.20
  6. Step 6: Final answer
    x = 12,590,169.30

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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.