Home / 7,216,601.22-10,828,458.43-3,378,683.52

Finding the Fourth Proportional to 7,216,601.22, 10,828,458.43 and 3,378,683.52

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Solution

The fourth proportional to 7,216,601.22, 10,828,458.43 and 3,378,683.52 is: 5,069,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,601.22 : 10,828,458.43 = 3,378,683.52 : x
  2. Step 2: Convert to fraction form
    7,216,601.22/10,828,458.43 = 3,378,683.52/x
  3. Step 3: Cross multiply
    7,216,601.22x = 10,828,458.43 × 3,378,683.52
  4. Step 4: Simplify right side
    7,216,601.22x = 36,585,934,035,999.37
  5. Step 5: Solve for x
    x = 36,585,934,035,999.37/7,216,601.22
  6. Step 6: Final answer
    x = 5,069,690.42

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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.