Home / 13,635,515.74-18,816,990.87-7,523,942.62

Finding the Fourth Proportional to 13,635,515.74, 18,816,990.87 and 7,523,942.62

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Solution

The fourth proportional to 13,635,515.74, 18,816,990.87 and 7,523,942.62 is: 10,383,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635,515.74 : 18,816,990.87 = 7,523,942.62 : x
  2. Step 2: Convert to fraction form
    13,635,515.74/18,816,990.87 = 7,523,942.62/x
  3. Step 3: Cross multiply
    13,635,515.74x = 18,816,990.87 × 7,523,942.62
  4. Step 4: Simplify right side
    13,635,515.74x = 141,577,959,586,943.88
  5. Step 5: Solve for x
    x = 141,577,959,586,943.88/13,635,515.74
  6. Step 6: Final answer
    x = 10,383,029.31

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1.5x scale

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.