Home / 13,476,811.60-20,215,217.40-13,122,517.60

Finding the Fourth Proportional to 13,476,811.60, 20,215,217.40 and 13,122,517.60

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Solution

The fourth proportional to 13,476,811.60, 20,215,217.40 and 13,122,517.60 is: 19,683,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,811.60 : 20,215,217.40 = 13,122,517.60 : x
  2. Step 2: Convert to fraction form
    13,476,811.60/20,215,217.40 = 13,122,517.60/x
  3. Step 3: Cross multiply
    13,476,811.60x = 20,215,217.40 × 13,122,517.60
  4. Step 4: Simplify right side
    13,476,811.60x = 265,274,546,119,326.22
  5. Step 5: Solve for x
    x = 265,274,546,119,326.22/13,476,811.60
  6. Step 6: Final answer
    x = 19,683,776.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.