Finding the Fourth Proportional to 13,691,135.70, 18,893,048.00 and 7,494,994.94
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Solution
The fourth proportional to 13,691,135.70, 18,893,048.00 and 7,494,994.94 is: 10,342,699.26
Step by Step Solution
- Step 1: Write the proportion equation
13,691,135.70 : 18,893,048.00 = 7,494,994.94 : x - Step 2: Convert to fraction form
13,691,135.70/18,893,048.00 = 7,494,994.94/x - Step 3: Cross multiply
13,691,135.70x = 18,893,048.00 × 7,494,994.94 - Step 4: Simplify right side
13,691,135.70x = 141,603,299,029,236.91 - Step 5: Solve for x
x = 141,603,299,029,236.91/13,691,135.70 - Step 6: Final answer
x = 10,342,699.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.