Finding the Fourth Proportional to 20,232,611.93, 27,921,482.87 and 11,531,594.16
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Solution
The fourth proportional to 20,232,611.93, 27,921,482.87 and 11,531,594.16 is: 15,913,872.60
Step by Step Solution
- Step 1: Write the proportion equation
20,232,611.93 : 27,921,482.87 = 11,531,594.16 : x - Step 2: Convert to fraction form
20,232,611.93/27,921,482.87 = 11,531,594.16/x - Step 3: Cross multiply
20,232,611.93x = 27,921,482.87 × 11,531,594.16 - Step 4: Simplify right side
20,232,611.93x = 321,979,208,744,574.06 - Step 5: Solve for x
x = 321,979,208,744,574.06/20,232,611.93 - Step 6: Final answer
x = 15,913,872.60
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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.