Finding the Fourth Proportional to 10,534,093.20, 14,537,048.40 and 5,705,197.20
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Solution
The fourth proportional to 10,534,093.20, 14,537,048.40 and 5,705,197.20 is: 7,873,172.02
Step by Step Solution
- Step 1: Write the proportion equation
10,534,093.20 : 14,537,048.40 = 5,705,197.20 : x - Step 2: Convert to fraction form
10,534,093.20/14,537,048.40 = 5,705,197.20/x - Step 3: Cross multiply
10,534,093.20x = 14,537,048.40 × 5,705,197.20 - Step 4: Simplify right side
10,534,093.20x = 82,936,727,827,944.48 - Step 5: Solve for x
x = 82,936,727,827,944.48/10,534,093.20 - Step 6: Final answer
x = 7,873,172.02
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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.