Finding the Fourth Proportional to 18,341,534.72, 27,486,230.08 and 13,511,239.04
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Solution
The fourth proportional to 18,341,534.72, 27,486,230.08 and 13,511,239.04 is: 20,247,652.70
Step by Step Solution
- Step 1: Write the proportion equation
18,341,534.72 : 27,486,230.08 = 13,511,239.04 : x - Step 2: Convert to fraction form
18,341,534.72/27,486,230.08 = 13,511,239.04/x - Step 3: Cross multiply
18,341,534.72x = 27,486,230.08 × 13,511,239.04 - Step 4: Simplify right side
18,341,534.72x = 371,373,024,919,318.25 - Step 5: Solve for x
x = 371,373,024,919,318.25/18,341,534.72 - Step 6: Final answer
x = 20,247,652.70
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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.