Home / 15,804,619-21,810,380.70-8,561,275

Finding the Fourth Proportional to 15,804,619, 21,810,380.70 and 8,561,275

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Solution

The fourth proportional to 15,804,619, 21,810,380.70 and 8,561,275 is: 11,814,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804,619 : 21,810,380.70 = 8,561,275 : x
  2. Step 2: Convert to fraction form
    15,804,619/21,810,380.70 = 8,561,275/x
  3. Step 3: Cross multiply
    15,804,619x = 21,810,380.70 × 8,561,275
  4. Step 4: Simplify right side
    15,804,619x = 186,724,667,027,392.50
  5. Step 5: Solve for x
    x = 186,724,667,027,392.50/15,804,619
  6. Step 6: Final answer
    x = 11,814,563.01

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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.