Home / 10,296,530.40-15,444,795.60-8,383,342.80

Finding the Fourth Proportional to 10,296,530.40, 15,444,795.60 and 8,383,342.80

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Solution

The fourth proportional to 10,296,530.40, 15,444,795.60 and 8,383,342.80 is: 12,575,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296,530.40 : 15,444,795.60 = 8,383,342.80 : x
  2. Step 2: Convert to fraction form
    10,296,530.40/15,444,795.60 = 8,383,342.80/x
  3. Step 3: Cross multiply
    10,296,530.40x = 15,444,795.60 × 8,383,342.80
  4. Step 4: Simplify right side
    10,296,530.40x = 129,479,015,990,731.67
  5. Step 5: Solve for x
    x = 129,479,015,990,731.67/10,296,530.40
  6. Step 6: Final answer
    x = 12,575,014.20

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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.