Home / 7,142,297.10-9,856,441.14-3,879,175.56

Finding the Fourth Proportional to 7,142,297.10, 9,856,441.14 and 3,879,175.56

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Solution

The fourth proportional to 7,142,297.10, 9,856,441.14 and 3,879,175.56 is: 5,353,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,297.10 : 9,856,441.14 = 3,879,175.56 : x
  2. Step 2: Convert to fraction form
    7,142,297.10/9,856,441.14 = 3,879,175.56/x
  3. Step 3: Cross multiply
    7,142,297.10x = 9,856,441.14 × 3,879,175.56
  4. Step 4: Simplify right side
    7,142,297.10x = 38,234,865,578,866.54
  5. Step 5: Solve for x
    x = 38,234,865,578,866.54/7,142,297.10
  6. Step 6: Final answer
    x = 5,353,300.91

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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.