Finding the Fourth Proportional to 25,526,809.08, 38,301,452.12 and 13,393,346.75
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Solution
The fourth proportional to 25,526,809.08, 38,301,452.12 and 13,393,346.75 is: 20,095,916.72
Step by Step Solution
- Step 1: Write the proportion equation
25,526,809.08 : 38,301,452.12 = 13,393,346.75 : x - Step 2: Convert to fraction form
25,526,809.08/38,301,452.12 = 13,393,346.75/x - Step 3: Cross multiply
25,526,809.08x = 38,301,452.12 × 13,393,346.75 - Step 4: Simplify right side
25,526,809.08x = 512,984,629,271,682.56 - Step 5: Solve for x
x = 512,984,629,271,682.56/25,526,809.08 - Step 6: Final answer
x = 20,095,916.72
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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.