Finding the Fourth Proportional to 18,589,602.20, 27,884,403.30 and 18,211,688.60
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Solution
The fourth proportional to 18,589,602.20, 27,884,403.30 and 18,211,688.60 is: 27,317,532.90
Step by Step Solution
- Step 1: Write the proportion equation
18,589,602.20 : 27,884,403.30 = 18,211,688.60 : x - Step 2: Convert to fraction form
18,589,602.20/27,884,403.30 = 18,211,688.60/x - Step 3: Cross multiply
18,589,602.20x = 27,884,403.30 × 18,211,688.60 - Step 4: Simplify right side
18,589,602.20x = 507,822,069,696,412.44 - Step 5: Solve for x
x = 507,822,069,696,412.44/18,589,602.20 - Step 6: Final answer
x = 27,317,532.90
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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.