Home / 12,394,620.80-18,591,931.20-7,544,729.60

Finding the Fourth Proportional to 12,394,620.80, 18,591,931.20 and 7,544,729.60

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Solution

The fourth proportional to 12,394,620.80, 18,591,931.20 and 7,544,729.60 is: 11,317,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,620.80 : 18,591,931.20 = 7,544,729.60 : x
  2. Step 2: Convert to fraction form
    12,394,620.80/18,591,931.20 = 7,544,729.60/x
  3. Step 3: Cross multiply
    12,394,620.80x = 18,591,931.20 × 7,544,729.60
  4. Step 4: Simplify right side
    12,394,620.80x = 140,271,093,645,803.50
  5. Step 5: Solve for x
    x = 140,271,093,645,803.50/12,394,620.80
  6. Step 6: Final answer
    x = 11,317,094.40

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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.