Home / 15,503,720-21,394,924.62-8,628,200.24

Finding the Fourth Proportional to 15,503,720, 21,394,924.62 and 8,628,200.24

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Solution

The fourth proportional to 15,503,720, 21,394,924.62 and 8,628,200.24 is: 11,906,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503,720 : 21,394,924.62 = 8,628,200.24 : x
  2. Step 2: Convert to fraction form
    15,503,720/21,394,924.62 = 8,628,200.24/x
  3. Step 3: Cross multiply
    15,503,720x = 21,394,924.62 × 8,628,200.24
  4. Step 4: Simplify right side
    15,503,720x = 184,599,693,741,065.94
  5. Step 5: Solve for x
    x = 184,599,693,741,065.94/15,503,720
  6. Step 6: Final answer
    x = 11,906,800.03

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1.5x scale

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.