Finding the Fourth Proportional to 27,643,152.98, 38,161,361.74 and 17,192,537.95
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Solution
The fourth proportional to 27,643,152.98, 38,161,361.74 and 17,192,537.95 is: 23,734,291.82
Step by Step Solution
- Step 1: Write the proportion equation
27,643,152.98 : 38,161,361.74 = 17,192,537.95 : x - Step 2: Convert to fraction form
27,643,152.98/38,161,361.74 = 17,192,537.95/x - Step 3: Cross multiply
27,643,152.98x = 38,161,361.74 × 17,192,537.95 - Step 4: Simplify right side
27,643,152.98x = 656,090,659,801,547.88 - Step 5: Solve for x
x = 656,090,659,801,547.88/27,643,152.98 - Step 6: Final answer
x = 23,734,291.82
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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.