Home / 7,470,556.40-11,205,834.60-7,414,569.20

Finding the Fourth Proportional to 7,470,556.40, 11,205,834.60 and 7,414,569.20

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Solution

The fourth proportional to 7,470,556.40, 11,205,834.60 and 7,414,569.20 is: 11,121,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470,556.40 : 11,205,834.60 = 7,414,569.20 : x
  2. Step 2: Convert to fraction form
    7,470,556.40/11,205,834.60 = 7,414,569.20/x
  3. Step 3: Cross multiply
    7,470,556.40x = 11,205,834.60 × 7,414,569.20
  4. Step 4: Simplify right side
    7,470,556.40x = 83,086,436,085,454.31
  5. Step 5: Solve for x
    x = 83,086,436,085,454.31/7,470,556.40
  6. Step 6: Final answer
    x = 11,121,853.80

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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.