Finding the Fourth Proportional to 19,573,316.53, 29,385,634.25 and 13,125,244.69
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Solution
The fourth proportional to 19,573,316.53, 29,385,634.25 and 13,125,244.69 is: 19,705,073.45
Step by Step Solution
- Step 1: Write the proportion equation
19,573,316.53 : 29,385,634.25 = 13,125,244.69 : x - Step 2: Convert to fraction form
19,573,316.53/29,385,634.25 = 13,125,244.69/x - Step 3: Cross multiply
19,573,316.53x = 29,385,634.25 × 13,125,244.69 - Step 4: Simplify right side
19,573,316.53x = 385,693,639,755,166.50 - Step 5: Solve for x
x = 385,693,639,755,166.50/19,573,316.53 - Step 6: Final answer
x = 19,705,073.45
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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.