Finding the Fourth Proportional to 11,305,316.94, 16,957,984.73 and 2,785,654.32
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Solution
The fourth proportional to 11,305,316.94, 16,957,984.73 and 2,785,654.32 is: 4,178,483.78
Step by Step Solution
- Step 1: Write the proportion equation
11,305,316.94 : 16,957,984.73 = 2,785,654.32 : x - Step 2: Convert to fraction form
11,305,316.94/16,957,984.73 = 2,785,654.32/x - Step 3: Cross multiply
11,305,316.94x = 16,957,984.73 × 2,785,654.32 - Step 4: Simplify right side
11,305,316.94x = 47,239,083,407,690.27 - Step 5: Solve for x
x = 47,239,083,407,690.27/11,305,316.94 - Step 6: Final answer
x = 4,178,483.78
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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.