Home / 18,531,490.80-27,784,276.20-10,954,556.40

Finding the Fourth Proportional to 18,531,490.80, 27,784,276.20 and 10,954,556.40

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Solution

The fourth proportional to 18,531,490.80, 27,784,276.20 and 10,954,556.40 is: 16,424,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,490.80 : 27,784,276.20 = 10,954,556.40 : x
  2. Step 2: Convert to fraction form
    18,531,490.80/27,784,276.20 = 10,954,556.40/x
  3. Step 3: Cross multiply
    18,531,490.80x = 27,784,276.20 × 10,954,556.40
  4. Step 4: Simplify right side
    18,531,490.80x = 304,364,420,666,077.69
  5. Step 5: Solve for x
    x = 304,364,420,666,077.69/18,531,490.80
  6. Step 6: Final answer
    x = 16,424,173.53

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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.