Finding the Fourth Proportional to 19,907,220.84, 27,472,817.09 and 11,086,672.07
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Solution
The fourth proportional to 19,907,220.84, 27,472,817.09 and 11,086,672.07 is: 15,300,082.12
Step by Step Solution
- Step 1: Write the proportion equation
19,907,220.84 : 27,472,817.09 = 11,086,672.07 : x - Step 2: Convert to fraction form
19,907,220.84/27,472,817.09 = 11,086,672.07/x - Step 3: Cross multiply
19,907,220.84x = 27,472,817.09 × 11,086,672.07 - Step 4: Simplify right side
19,907,220.84x = 304,582,113,723,124.25 - Step 5: Solve for x
x = 304,582,113,723,124.25/19,907,220.84 - Step 6: Final answer
x = 15,300,082.12
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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.