Finding the Fourth Proportional to 36,804,122.68, 50,789,886.24 and 21,121,896.64
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Solution
The fourth proportional to 36,804,122.68, 50,789,886.24 and 21,121,896.64 is: 29,148,330.39
Step by Step Solution
- Step 1: Write the proportion equation
36,804,122.68 : 50,789,886.24 = 21,121,896.64 : x - Step 2: Convert to fraction form
36,804,122.68/50,789,886.24 = 21,121,896.64/x - Step 3: Cross multiply
36,804,122.68x = 50,789,886.24 × 21,121,896.64 - Step 4: Simplify right side
36,804,122.68x = 1,072,778,727,518,638.25 - Step 5: Solve for x
x = 1,072,778,727,518,638.25/36,804,122.68 - Step 6: Final answer
x = 29,148,330.39
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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.