Home / 12,200,992.58-18,301,409.85-3,103,011.56

Finding the Fourth Proportional to 12,200,992.58, 18,301,409.85 and 3,103,011.56

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Solution

The fourth proportional to 12,200,992.58, 18,301,409.85 and 3,103,011.56 is: 4,654,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200,992.58 : 18,301,409.85 = 3,103,011.56 : x
  2. Step 2: Convert to fraction form
    12,200,992.58/18,301,409.85 = 3,103,011.56/x
  3. Step 3: Cross multiply
    12,200,992.58x = 18,301,409.85 × 3,103,011.56
  4. Step 4: Simplify right side
    12,200,992.58x = 56,789,486,374,601.40
  5. Step 5: Solve for x
    x = 56,789,486,374,601.40/12,200,992.58
  6. Step 6: Final answer
    x = 4,654,497.25

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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.