Home / 7,380,980.20-11,071,470.30-4,195,930.60

Finding the Fourth Proportional to 7,380,980.20, 11,071,470.30 and 4,195,930.60

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Solution

The fourth proportional to 7,380,980.20, 11,071,470.30 and 4,195,930.60 is: 6,293,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,980.20 : 11,071,470.30 = 4,195,930.60 : x
  2. Step 2: Convert to fraction form
    7,380,980.20/11,071,470.30 = 4,195,930.60/x
  3. Step 3: Cross multiply
    7,380,980.20x = 11,071,470.30 × 4,195,930.60
  4. Step 4: Simplify right side
    7,380,980.20x = 46,455,121,018,761.18
  5. Step 5: Solve for x
    x = 46,455,121,018,761.18/7,380,980.20
  6. Step 6: Final answer
    x = 6,293,895.90

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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.