Finding the Fourth Proportional to 15,350,296.08, 21,183,440.04 and 8,474,791.44
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Solution
The fourth proportional to 15,350,296.08, 21,183,440.04 and 8,474,791.44 is: 11,695,229.55
Step by Step Solution
- Step 1: Write the proportion equation
15,350,296.08 : 21,183,440.04 = 8,474,791.44 : x - Step 2: Convert to fraction form
15,350,296.08/21,183,440.04 = 8,474,791.44/x - Step 3: Cross multiply
15,350,296.08x = 21,183,440.04 × 8,474,791.44 - Step 4: Simplify right side
15,350,296.08x = 179,525,236,320,745.25 - Step 5: Solve for x
x = 179,525,236,320,745.25/15,350,296.08 - Step 6: Final answer
x = 11,695,229.55
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1.5x scale
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.