Home / 7,859,012.05-10,840,839.79-5,107,532.06

Finding the Fourth Proportional to 7,859,012.05, 10,840,839.79 and 5,107,532.06

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Solution

The fourth proportional to 7,859,012.05, 10,840,839.79 and 5,107,532.06 is: 7,045,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,012.05 : 10,840,839.79 = 5,107,532.06 : x
  2. Step 2: Convert to fraction form
    7,859,012.05/10,840,839.79 = 5,107,532.06/x
  3. Step 3: Cross multiply
    7,859,012.05x = 10,840,839.79 × 5,107,532.06
  4. Step 4: Simplify right side
    7,859,012.05x = 55,369,936,766,506.07
  5. Step 5: Solve for x
    x = 55,369,936,766,506.07/7,859,012.05
  6. Step 6: Final answer
    x = 7,045,406.78

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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.