Finding the Fourth Proportional to 19,738,371.40, 29,607,557.10 and 14,955,402.40
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Solution
The fourth proportional to 19,738,371.40, 29,607,557.10 and 14,955,402.40 is: 22,433,103.60
Step by Step Solution
- Step 1: Write the proportion equation
19,738,371.40 : 29,607,557.10 = 14,955,402.40 : x - Step 2: Convert to fraction form
19,738,371.40/29,607,557.10 = 14,955,402.40/x - Step 3: Cross multiply
19,738,371.40x = 29,607,557.10 × 14,955,402.40 - Step 4: Simplify right side
19,738,371.40x = 442,792,930,511,477.06 - Step 5: Solve for x
x = 442,792,930,511,477.06/19,738,371.40 - Step 6: Final answer
x = 22,433,103.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.