Finding the Fourth Proportional to 18,486,954.81, 25,512,748.81 and 10,226,874.68
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Solution
The fourth proportional to 18,486,954.81, 25,512,748.81 and 10,226,874.68 is: 14,113,502.60
Step by Step Solution
- Step 1: Write the proportion equation
18,486,954.81 : 25,512,748.81 = 10,226,874.68 : x - Step 2: Convert to fraction form
18,486,954.81/25,512,748.81 = 10,226,874.68/x - Step 3: Cross multiply
18,486,954.81x = 25,512,748.81 × 10,226,874.68 - Step 4: Simplify right side
18,486,954.81x = 260,915,684,822,189.12 - Step 5: Solve for x
x = 260,915,684,822,189.12/18,486,954.81 - Step 6: Final answer
x = 14,113,502.60
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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.