Home / 12,776,413.70-19,157,622.15-5,194,813.70

Finding the Fourth Proportional to 12,776,413.70, 19,157,622.15 and 5,194,813.70

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Solution

The fourth proportional to 12,776,413.70, 19,157,622.15 and 5,194,813.70 is: 7,789,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,413.70 : 19,157,622.15 = 5,194,813.70 : x
  2. Step 2: Convert to fraction form
    12,776,413.70/19,157,622.15 = 5,194,813.70/x
  3. Step 3: Cross multiply
    12,776,413.70x = 19,157,622.15 × 5,194,813.70
  4. Step 4: Simplify right side
    12,776,413.70x = 99,520,278,004,243.45
  5. Step 5: Solve for x
    x = 99,520,278,004,243.45/12,776,413.70
  6. Step 6: Final answer
    x = 7,789,375.04

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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.