Finding the Fourth Proportional to 19,755,824.80, 29,635,914.48 and 6,289,520.80
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Solution
The fourth proportional to 19,755,824.80, 29,635,914.48 and 6,289,520.80 is: 9,434,974.37
Step by Step Solution
- Step 1: Write the proportion equation
19,755,824.80 : 29,635,914.48 = 6,289,520.80 : x - Step 2: Convert to fraction form
19,755,824.80/29,635,914.48 = 6,289,520.80/x - Step 3: Cross multiply
19,755,824.80x = 29,635,914.48 × 6,289,520.80 - Step 4: Simplify right side
19,755,824.80x = 186,395,700,548,981.19 - Step 5: Solve for x
x = 186,395,700,548,981.19/19,755,824.80 - Step 6: Final answer
x = 9,434,974.37
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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.