Home / 15,519,276.10-21,414,991.71-9,557,739.28

Finding the Fourth Proportional to 15,519,276.10, 21,414,991.71 and 9,557,739.28

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Solution

The fourth proportional to 15,519,276.10, 21,414,991.71 and 9,557,739.28 is: 13,188,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,276.10 : 21,414,991.71 = 9,557,739.28 : x
  2. Step 2: Convert to fraction form
    15,519,276.10/21,414,991.71 = 9,557,739.28/x
  3. Step 3: Cross multiply
    15,519,276.10x = 21,414,991.71 × 9,557,739.28
  4. Step 4: Simplify right side
    15,519,276.10x = 204,678,907,447,541.38
  5. Step 5: Solve for x
    x = 204,678,907,447,541.38/15,519,276.10
  6. Step 6: Final answer
    x = 13,188,689.09

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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.