Finding the Fourth Proportional to 20,750,582.73, 28,638,328.90 and 12,048,755.08
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Solution
The fourth proportional to 20,750,582.73, 28,638,328.90 and 12,048,755.08 is: 16,628,747.99
Step by Step Solution
- Step 1: Write the proportion equation
20,750,582.73 : 28,638,328.90 = 12,048,755.08 : x - Step 2: Convert to fraction form
20,750,582.73/28,638,328.90 = 12,048,755.08/x - Step 3: Cross multiply
20,750,582.73x = 28,638,328.90 × 12,048,755.08 - Step 4: Simplify right side
20,750,582.73x = 345,056,210,847,568.50 - Step 5: Solve for x
x = 345,056,210,847,568.50/20,750,582.73 - Step 6: Final answer
x = 16,628,747.99
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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.