Finding the Fourth Proportional to 46,253,129.54, 69,383,975.36 and 15,128,963.42
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Solution
The fourth proportional to 46,253,129.54, 69,383,975.36 and 15,128,963.42 is: 22,694,845.42
Step by Step Solution
- Step 1: Write the proportion equation
46,253,129.54 : 69,383,975.36 = 15,128,963.42 : x - Step 2: Convert to fraction form
46,253,129.54/69,383,975.36 = 15,128,963.42/x - Step 3: Cross multiply
46,253,129.54x = 69,383,975.36 × 15,128,963.42 - Step 4: Simplify right side
46,253,129.54x = 1,049,707,625,155,621.38 - Step 5: Solve for x
x = 1,049,707,625,155,621.38/46,253,129.54 - Step 6: Final answer
x = 22,694,845.42
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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.