Finding the Fourth Proportional to 34,198,486.48, 47,192,997.16 and 19,513,885.96
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Solution
The fourth proportional to 34,198,486.48, 47,192,997.16 and 19,513,885.96 is: 26,928,640.99
Step by Step Solution
- Step 1: Write the proportion equation
34,198,486.48 : 47,192,997.16 = 19,513,885.96 : x - Step 2: Convert to fraction form
34,198,486.48/47,192,997.16 = 19,513,885.96/x - Step 3: Cross multiply
34,198,486.48x = 47,192,997.16 × 19,513,885.96 - Step 4: Simplify right side
34,198,486.48x = 920,918,764,690,843.88 - Step 5: Solve for x
x = 920,918,764,690,843.88/34,198,486.48 - Step 6: Final answer
x = 26,928,640.99
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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.