Home / 7,231,800.15-9,980,005.46-3,968,918.48

Finding the Fourth Proportional to 7,231,800.15, 9,980,005.46 and 3,968,918.48

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Solution

The fourth proportional to 7,231,800.15, 9,980,005.46 and 3,968,918.48 is: 5,477,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,800.15 : 9,980,005.46 = 3,968,918.48 : x
  2. Step 2: Convert to fraction form
    7,231,800.15/9,980,005.46 = 3,968,918.48/x
  3. Step 3: Cross multiply
    7,231,800.15x = 9,980,005.46 × 3,968,918.48
  4. Step 4: Simplify right side
    7,231,800.15x = 39,609,828,100,694.91
  5. Step 5: Solve for x
    x = 39,609,828,100,694.91/7,231,800.15
  6. Step 6: Final answer
    x = 5,477,174.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.