Finding the Fourth Proportional to 21,632,722.08, 29,848,383.68 and 12,807,791.52
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Solution
The fourth proportional to 21,632,722.08, 29,848,383.68 and 12,807,791.52 is: 17,671,926.53
Step by Step Solution
- Step 1: Write the proportion equation
21,632,722.08 : 29,848,383.68 = 12,807,791.52 : x - Step 2: Convert to fraction form
21,632,722.08/29,848,383.68 = 12,807,791.52/x - Step 3: Cross multiply
21,632,722.08x = 29,848,383.68 × 12,807,791.52 - Step 4: Simplify right side
21,632,722.08x = 382,291,875,318,371.44 - Step 5: Solve for x
x = 382,291,875,318,371.44/21,632,722.08 - Step 6: Final answer
x = 17,671,926.53
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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.