Home / 12,003,032.58-18,005,322.54-4,220,992.21

Finding the Fourth Proportional to 12,003,032.58, 18,005,322.54 and 4,220,992.21

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Solution

The fourth proportional to 12,003,032.58, 18,005,322.54 and 4,220,992.21 is: 6,331,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,032.58 : 18,005,322.54 = 4,220,992.21 : x
  2. Step 2: Convert to fraction form
    12,003,032.58/18,005,322.54 = 4,220,992.21/x
  3. Step 3: Cross multiply
    12,003,032.58x = 18,005,322.54 × 4,220,992.21
  4. Step 4: Simplify right side
    12,003,032.58x = 76,000,326,194,469.70
  5. Step 5: Solve for x
    x = 76,000,326,194,469.70/12,003,032.58
  6. Step 6: Final answer
    x = 6,331,760.38

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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.