Home / 12,745,825.40-19,118,738.10-12,241,940.60

Finding the Fourth Proportional to 12,745,825.40, 19,118,738.10 and 12,241,940.60

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Solution

The fourth proportional to 12,745,825.40, 19,118,738.10 and 12,241,940.60 is: 18,362,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,825.40 : 19,118,738.10 = 12,241,940.60 : x
  2. Step 2: Convert to fraction form
    12,745,825.40/19,118,738.10 = 12,241,940.60/x
  3. Step 3: Cross multiply
    12,745,825.40x = 19,118,738.10 × 12,241,940.60
  4. Step 4: Simplify right side
    12,745,825.40x = 234,050,456,167,156.88
  5. Step 5: Solve for x
    x = 234,050,456,167,156.88/12,745,825.40
  6. Step 6: Final answer
    x = 18,362,910.90

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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.