Home / 13,236,513.20-19,833,774.60-8,743,540.40

Finding the Fourth Proportional to 13,236,513.20, 19,833,774.60 and 8,743,540.40

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Solution

The fourth proportional to 13,236,513.20, 19,833,774.60 and 8,743,540.40 is: 13,101,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,513.20 : 19,833,774.60 = 8,743,540.40 : x
  2. Step 2: Convert to fraction form
    13,236,513.20/19,833,774.60 = 8,743,540.40/x
  3. Step 3: Cross multiply
    13,236,513.20x = 19,833,774.60 × 8,743,540.40
  4. Step 4: Simplify right side
    13,236,513.20x = 173,417,409,499,593.88
  5. Step 5: Solve for x
    x = 173,417,409,499,593.88/13,236,513.20
  6. Step 6: Final answer
    x = 13,101,441.96

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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.