Home / 12,330,022.76-18,496,608.86-4,759,153.64

Finding the Fourth Proportional to 12,330,022.76, 18,496,608.86 and 4,759,153.64

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Solution

The fourth proportional to 12,330,022.76, 18,496,608.86 and 4,759,153.64 is: 7,139,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330,022.76 : 18,496,608.86 = 4,759,153.64 : x
  2. Step 2: Convert to fraction form
    12,330,022.76/18,496,608.86 = 4,759,153.64/x
  3. Step 3: Cross multiply
    12,330,022.76x = 18,496,608.86 × 4,759,153.64
  4. Step 4: Simplify right side
    12,330,022.76x = 88,028,203,383,725.23
  5. Step 5: Solve for x
    x = 88,028,203,383,725.23/12,330,022.76
  6. Step 6: Final answer
    x = 7,139,338.27

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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.