Home / 7,824,150.49-11,727,942.42-2,631,817.03

Finding the Fourth Proportional to 7,824,150.49, 11,727,942.42 and 2,631,817.03

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Solution

The fourth proportional to 7,824,150.49, 11,727,942.42 and 2,631,817.03 is: 3,944,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824,150.49 : 11,727,942.42 = 2,631,817.03 : x
  2. Step 2: Convert to fraction form
    7,824,150.49/11,727,942.42 = 2,631,817.03/x
  3. Step 3: Cross multiply
    7,824,150.49x = 11,727,942.42 × 2,631,817.03
  4. Step 4: Simplify right side
    7,824,150.49x = 30,865,798,602,475.34
  5. Step 5: Solve for x
    x = 30,865,798,602,475.34/7,824,150.49
  6. Step 6: Final answer
    x = 3,944,939.28

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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.