Finding the Fourth Proportional to 49,604,128.62, 68,446,187.56 and 28,407,612.53
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Solution
The fourth proportional to 49,604,128.62, 68,446,187.56 and 28,407,612.53 is: 39,198,204.46
Step by Step Solution
- Step 1: Write the proportion equation
49,604,128.62 : 68,446,187.56 = 28,407,612.53 : x - Step 2: Convert to fraction form
49,604,128.62/68,446,187.56 = 28,407,612.53/x - Step 3: Cross multiply
49,604,128.62x = 68,446,187.56 × 28,407,612.53 - Step 4: Simplify right side
49,604,128.62x = 1,944,392,775,566,811 - Step 5: Solve for x
x = 1,944,392,775,566,811/49,604,128.62 - Step 6: Final answer
x = 39,198,204.46
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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.