Home / 12,474,359.20-18,711,538.80-11,541,239.20

Finding the Fourth Proportional to 12,474,359.20, 18,711,538.80 and 11,541,239.20

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Solution

The fourth proportional to 12,474,359.20, 18,711,538.80 and 11,541,239.20 is: 17,311,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,359.20 : 18,711,538.80 = 11,541,239.20 : x
  2. Step 2: Convert to fraction form
    12,474,359.20/18,711,538.80 = 11,541,239.20/x
  3. Step 3: Cross multiply
    12,474,359.20x = 18,711,538.80 × 11,541,239.20
  4. Step 4: Simplify right side
    12,474,359.20x = 215,954,345,090,880.97
  5. Step 5: Solve for x
    x = 215,954,345,090,880.97/12,474,359.20
  6. Step 6: Final answer
    x = 17,311,858.80

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1.5x scale

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.