Home / 12,879,449.08-19,319,835.40-3,294,910.76

Finding the Fourth Proportional to 12,879,449.08, 19,319,835.40 and 3,294,910.76

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Solution

The fourth proportional to 12,879,449.08, 19,319,835.40 and 3,294,910.76 is: 4,942,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,449.08 : 19,319,835.40 = 3,294,910.76 : x
  2. Step 2: Convert to fraction form
    12,879,449.08/19,319,835.40 = 3,294,910.76/x
  3. Step 3: Cross multiply
    12,879,449.08x = 19,319,835.40 × 3,294,910.76
  4. Step 4: Simplify right side
    12,879,449.08x = 63,657,133,540,888.90
  5. Step 5: Solve for x
    x = 63,657,133,540,888.90/12,879,449.08
  6. Step 6: Final answer
    x = 4,942,535.44

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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.