Finding the Fourth Proportional to 11,338,248.72, 15,646,772.22 and 6,181,608.90
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Solution
The fourth proportional to 11,338,248.72, 15,646,772.22 and 6,181,608.90 is: 8,530,614.28
Step by Step Solution
- Step 1: Write the proportion equation
11,338,248.72 : 15,646,772.22 = 6,181,608.90 : x - Step 2: Convert to fraction form
11,338,248.72/15,646,772.22 = 6,181,608.90/x - Step 3: Cross multiply
11,338,248.72x = 15,646,772.22 × 6,181,608.90 - Step 4: Simplify right side
11,338,248.72x = 96,722,226,411,424.77 - Step 5: Solve for x
x = 96,722,226,411,424.77/11,338,248.72 - Step 6: Final answer
x = 8,530,614.28
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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.