Home / 7,474,780.40-11,208,023.40-3,214,223.60

Finding the Fourth Proportional to 7,474,780.40, 11,208,023.40 and 3,214,223.60

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Solution

The fourth proportional to 7,474,780.40, 11,208,023.40 and 3,214,223.60 is: 4,819,552.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474,780.40 : 11,208,023.40 = 3,214,223.60 : x
  2. Step 2: Convert to fraction form
    7,474,780.40/11,208,023.40 = 3,214,223.60/x
  3. Step 3: Cross multiply
    7,474,780.40x = 11,208,023.40 × 3,214,223.60
  4. Step 4: Simplify right side
    7,474,780.40x = 36,025,093,321,632.24
  5. Step 5: Solve for x
    x = 36,025,093,321,632.24/7,474,780.40
  6. Step 6: Final answer
    x = 4,819,552.07

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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.