Home / 15,503,708-21,394,908.06-8,628,188.24

Finding the Fourth Proportional to 15,503,708, 21,394,908.06 and 8,628,188.24

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Solution

The fourth proportional to 15,503,708, 21,394,908.06 and 8,628,188.24 is: 11,906,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503,708 : 21,394,908.06 = 8,628,188.24 : x
  2. Step 2: Convert to fraction form
    15,503,708/21,394,908.06 = 8,628,188.24/x
  3. Step 3: Cross multiply
    15,503,708x = 21,394,908.06 × 8,628,188.24
  4. Step 4: Simplify right side
    15,503,708x = 184,599,294,119,173.22
  5. Step 5: Solve for x
    x = 184,599,294,119,173.22/15,503,708
  6. Step 6: Final answer
    x = 11,906,783.47

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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.