Home / 7,111,515.20-9,813,916.83-3,848,329.56

Finding the Fourth Proportional to 7,111,515.20, 9,813,916.83 and 3,848,329.56

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Solution

The fourth proportional to 7,111,515.20, 9,813,916.83 and 3,848,329.56 is: 5,310,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,515.20 : 9,813,916.83 = 3,848,329.56 : x
  2. Step 2: Convert to fraction form
    7,111,515.20/9,813,916.83 = 3,848,329.56/x
  3. Step 3: Cross multiply
    7,111,515.20x = 9,813,916.83 × 3,848,329.56
  4. Step 4: Simplify right side
    7,111,515.20x = 37,767,186,236,270.49
  5. Step 5: Solve for x
    x = 37,767,186,236,270.49/7,111,515.20
  6. Step 6: Final answer
    x = 5,310,708.78

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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.