Finding the Fourth Proportional to 7,900,232.68, 10,902,321.10 and 4,278,560.68
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Solution
The fourth proportional to 7,900,232.68, 10,902,321.10 and 4,278,560.68 is: 5,904,413.74
Step by Step Solution
- Step 1: Write the proportion equation
7,900,232.68 : 10,902,321.10 = 4,278,560.68 : x - Step 2: Convert to fraction form
7,900,232.68/10,902,321.10 = 4,278,560.68/x - Step 3: Cross multiply
7,900,232.68x = 10,902,321.10 × 4,278,560.68 - Step 4: Simplify right side
7,900,232.68x = 46,646,242,379,194.34 - Step 5: Solve for x
x = 46,646,242,379,194.34/7,900,232.68 - Step 6: Final answer
x = 5,904,413.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.