Home / 12,879,493.12-19,319,901.44-3,294,954.72

Finding the Fourth Proportional to 12,879,493.12, 19,319,901.44 and 3,294,954.72

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Solution

The fourth proportional to 12,879,493.12, 19,319,901.44 and 3,294,954.72 is: 4,942,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,493.12 : 19,319,901.44 = 3,294,954.72 : x
  2. Step 2: Convert to fraction form
    12,879,493.12/19,319,901.44 = 3,294,954.72/x
  3. Step 3: Cross multiply
    12,879,493.12x = 19,319,901.44 × 3,294,954.72
  4. Step 4: Simplify right side
    12,879,493.12x = 63,658,200,439,662.80
  5. Step 5: Solve for x
    x = 63,658,200,439,662.80/12,879,493.12
  6. Step 6: Final answer
    x = 4,942,601.38

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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.