Finding the Fourth Proportional to 36,920,863.92, 55,386,543.60 and 11,364,003.12
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Solution
The fourth proportional to 36,920,863.92, 55,386,543.60 and 11,364,003.12 is: 17,047,619.89
Step by Step Solution
- Step 1: Write the proportion equation
36,920,863.92 : 55,386,543.60 = 11,364,003.12 : x - Step 2: Convert to fraction form
36,920,863.92/55,386,543.60 = 11,364,003.12/x - Step 3: Cross multiply
36,920,863.92x = 55,386,543.60 × 11,364,003.12 - Step 4: Simplify right side
36,920,863.92x = 629,412,854,276,416 - Step 5: Solve for x
x = 629,412,854,276,416/36,920,863.92 - Step 6: Final answer
x = 17,047,619.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.