Finding the Fourth Proportional to 8,056,413.68, 12,084,502.06 and 1,991,145.93
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Solution
The fourth proportional to 8,056,413.68, 12,084,502.06 and 1,991,145.93 is: 2,986,689.61
Step by Step Solution
- Step 1: Write the proportion equation
8,056,413.68 : 12,084,502.06 = 1,991,145.93 : x - Step 2: Convert to fraction form
8,056,413.68/12,084,502.06 = 1,991,145.93/x - Step 3: Cross multiply
8,056,413.68x = 12,084,502.06 × 1,991,145.93 - Step 4: Simplify right side
8,056,413.68x = 24,062,007,050,017.66 - Step 5: Solve for x
x = 24,062,007,050,017.66/8,056,413.68 - Step 6: Final answer
x = 2,986,689.61
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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.