Home / 7,454,653.80-11,178,044.10-3,190,003.80

Finding the Fourth Proportional to 7,454,653.80, 11,178,044.10 and 3,190,003.80

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Solution

The fourth proportional to 7,454,653.80, 11,178,044.10 and 3,190,003.80 is: 4,783,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454,653.80 : 11,178,044.10 = 3,190,003.80 : x
  2. Step 2: Convert to fraction form
    7,454,653.80/11,178,044.10 = 3,190,003.80/x
  3. Step 3: Cross multiply
    7,454,653.80x = 11,178,044.10 × 3,190,003.80
  4. Step 4: Simplify right side
    7,454,653.80x = 35,658,003,155,567.58
  5. Step 5: Solve for x
    x = 35,658,003,155,567.58/7,454,653.80
  6. Step 6: Final answer
    x = 4,783,321.15

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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.