Home / 8,262,023.40-12,393,035.10-7,664,826.60

Finding the Fourth Proportional to 8,262,023.40, 12,393,035.10 and 7,664,826.60

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Solution

The fourth proportional to 8,262,023.40, 12,393,035.10 and 7,664,826.60 is: 11,497,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262,023.40 : 12,393,035.10 = 7,664,826.60 : x
  2. Step 2: Convert to fraction form
    8,262,023.40/12,393,035.10 = 7,664,826.60/x
  3. Step 3: Cross multiply
    8,262,023.40x = 12,393,035.10 × 7,664,826.60
  4. Step 4: Simplify right side
    8,262,023.40x = 94,990,465,089,213.66
  5. Step 5: Solve for x
    x = 94,990,465,089,213.66/8,262,023.40
  6. Step 6: Final answer
    x = 11,497,239.90

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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.