Finding the Fourth Proportional to 15,104,489.70, 22,656,734.55 and 13,592,835.30
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Solution
The fourth proportional to 15,104,489.70, 22,656,734.55 and 13,592,835.30 is: 20,389,252.95
Step by Step Solution
- Step 1: Write the proportion equation
15,104,489.70 : 22,656,734.55 = 13,592,835.30 : x - Step 2: Convert to fraction form
15,104,489.70/22,656,734.55 = 13,592,835.30/x - Step 3: Cross multiply
15,104,489.70x = 22,656,734.55 × 13,592,835.30 - Step 4: Simplify right side
15,104,489.70x = 307,969,261,173,969.62 - Step 5: Solve for x
x = 307,969,261,173,969.62/15,104,489.70 - Step 6: Final answer
x = 20,389,252.95
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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.