Home / 8,083,274.80-12,089,920.20-7,236,468.40

Finding the Fourth Proportional to 8,083,274.80, 12,089,920.20 and 7,236,468.40

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Solution

The fourth proportional to 8,083,274.80, 12,089,920.20 and 7,236,468.40 is: 10,823,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,274.80 : 12,089,920.20 = 7,236,468.40 : x
  2. Step 2: Convert to fraction form
    8,083,274.80/12,089,920.20 = 7,236,468.40/x
  3. Step 3: Cross multiply
    8,083,274.80x = 12,089,920.20 × 7,236,468.40
  4. Step 4: Simplify right side
    8,083,274.80x = 87,488,325,485,821.67
  5. Step 5: Solve for x
    x = 87,488,325,485,821.67/8,083,274.80
  6. Step 6: Final answer
    x = 10,823,376.37

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1.5x scale

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.