Finding the Fourth Proportional to 19,706,254.35, 27,207,427.14 and 17,637,687.69
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Solution
The fourth proportional to 19,706,254.35, 27,207,427.14 and 17,637,687.69 is: 24,351,461.94
Step by Step Solution
- Step 1: Write the proportion equation
19,706,254.35 : 27,207,427.14 = 17,637,687.69 : x - Step 2: Convert to fraction form
19,706,254.35/27,207,427.14 = 17,637,687.69/x - Step 3: Cross multiply
19,706,254.35x = 27,207,427.14 × 17,637,687.69 - Step 4: Simplify right side
19,706,254.35x = 479,876,102,743,749.94 - Step 5: Solve for x
x = 479,876,102,743,749.94/19,706,254.35 - Step 6: Final answer
x = 24,351,461.94
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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.