Home / 12,946,657.70-19,419,986.55-4,426,235.30

Finding the Fourth Proportional to 12,946,657.70, 19,419,986.55 and 4,426,235.30

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Solution

The fourth proportional to 12,946,657.70, 19,419,986.55 and 4,426,235.30 is: 6,639,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,657.70 : 19,419,986.55 = 4,426,235.30 : x
  2. Step 2: Convert to fraction form
    12,946,657.70/19,419,986.55 = 4,426,235.30/x
  3. Step 3: Cross multiply
    12,946,657.70x = 19,419,986.55 × 4,426,235.30
  4. Step 4: Simplify right side
    12,946,657.70x = 85,957,429,993,135.22
  5. Step 5: Solve for x
    x = 85,957,429,993,135.22/12,946,657.70
  6. Step 6: Final answer
    x = 6,639,352.95

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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.