Home / 7,231,368.64-9,979,261.32-3,968,237.92

Finding the Fourth Proportional to 7,231,368.64, 9,979,261.32 and 3,968,237.92

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Solution

The fourth proportional to 7,231,368.64, 9,979,261.32 and 3,968,237.92 is: 5,476,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,368.64 : 9,979,261.32 = 3,968,237.92 : x
  2. Step 2: Convert to fraction form
    7,231,368.64/9,979,261.32 = 3,968,237.92/x
  3. Step 3: Cross multiply
    7,231,368.64x = 9,979,261.32 × 3,968,237.92
  4. Step 4: Simplify right side
    7,231,368.64x = 39,600,083,183,613.26
  5. Step 5: Solve for x
    x = 39,600,083,183,613.26/7,231,368.64
  6. Step 6: Final answer
    x = 5,476,153.29

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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.