Home / 7,338,221.20-11,008,368.60-2,289,005.20

Finding the Fourth Proportional to 7,338,221.20, 11,008,368.60 and 2,289,005.20

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Solution

The fourth proportional to 7,338,221.20, 11,008,368.60 and 2,289,005.20 is: 3,433,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,221.20 : 11,008,368.60 = 2,289,005.20 : x
  2. Step 2: Convert to fraction form
    7,338,221.20/11,008,368.60 = 2,289,005.20/x
  3. Step 3: Cross multiply
    7,338,221.20x = 11,008,368.60 × 2,289,005.20
  4. Step 4: Simplify right side
    7,338,221.20x = 25,198,212,968,916.72
  5. Step 5: Solve for x
    x = 25,198,212,968,916.72/7,338,221.20
  6. Step 6: Final answer
    x = 3,433,831.21

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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.