Finding the Fourth Proportional to 7,983,723.35, 11,975,413.18 and 2,226,303.72
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Solution
The fourth proportional to 7,983,723.35, 11,975,413.18 and 2,226,303.72 is: 3,339,407.66
Step by Step Solution
- Step 1: Write the proportion equation
7,983,723.35 : 11,975,413.18 = 2,226,303.72 : x - Step 2: Convert to fraction form
7,983,723.35/11,975,413.18 = 2,226,303.72/x - Step 3: Cross multiply
7,983,723.35x = 11,975,413.18 × 2,226,303.72 - Step 4: Simplify right side
7,983,723.35x = 26,660,906,933,570.55 - Step 5: Solve for x
x = 26,660,906,933,570.55/7,983,723.35 - Step 6: Final answer
x = 3,339,407.66
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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.