Finding the Fourth Proportional to 39,439,001.79, 54,397,595.99 and 27,680,893.90
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Solution
The fourth proportional to 39,439,001.79, 54,397,595.99 and 27,680,893.90 is: 38,179,822.37
Step by Step Solution
- Step 1: Write the proportion equation
39,439,001.79 : 54,397,595.99 = 27,680,893.90 : x - Step 2: Convert to fraction form
39,439,001.79/54,397,595.99 = 27,680,893.90/x - Step 3: Cross multiply
39,439,001.79x = 54,397,595.99 × 27,680,893.90 - Step 4: Simplify right side
39,439,001.79x = 1,505,774,082,947,463.75 - Step 5: Solve for x
x = 1,505,774,082,947,463.75/39,439,001.79 - Step 6: Final answer
x = 38,179,822.37
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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.