Finding the Fourth Proportional to 21,687,897.08, 32,531,921.64 and 5,513,850.08
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Solution
The fourth proportional to 21,687,897.08, 32,531,921.64 and 5,513,850.08 is: 8,270,794.44
Step by Step Solution
- Step 1: Write the proportion equation
21,687,897.08 : 32,531,921.64 = 5,513,850.08 : x - Step 2: Convert to fraction form
21,687,897.08/32,531,921.64 = 5,513,850.08/x - Step 3: Cross multiply
21,687,897.08x = 32,531,921.64 × 5,513,850.08 - Step 4: Simplify right side
21,687,897.08x = 179,376,138,574,608.12 - Step 5: Solve for x
x = 179,376,138,574,608.12/21,687,897.08 - Step 6: Final answer
x = 8,270,794.44
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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.