Home / 15,979,904.37-22,052,268.83-8,637,713.44

Finding the Fourth Proportional to 15,979,904.37, 22,052,268.83 and 8,637,713.44

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Solution

The fourth proportional to 15,979,904.37, 22,052,268.83 and 8,637,713.44 is: 11,920,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979,904.37 : 22,052,268.83 = 8,637,713.44 : x
  2. Step 2: Convert to fraction form
    15,979,904.37/22,052,268.83 = 8,637,713.44/x
  3. Step 3: Cross multiply
    15,979,904.37x = 22,052,268.83 × 8,637,713.44
  4. Step 4: Simplify right side
    15,979,904.37x = 190,481,178,821,847.69
  5. Step 5: Solve for x
    x = 190,481,178,821,847.69/15,979,904.37
  6. Step 6: Final answer
    x = 11,920,044.98

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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.