Finding the Fourth Proportional to 11,321,881.92, 16,968,646.26 and 8,916,225.66
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Solution
The fourth proportional to 11,321,881.92, 16,968,646.26 and 8,916,225.66 is: 13,363,174.10
Step by Step Solution
- Step 1: Write the proportion equation
11,321,881.92 : 16,968,646.26 = 8,916,225.66 : x - Step 2: Convert to fraction form
11,321,881.92/16,968,646.26 = 8,916,225.66/x - Step 3: Cross multiply
11,321,881.92x = 16,968,646.26 × 8,916,225.66 - Step 4: Simplify right side
11,321,881.92x = 151,296,279,198,875.06 - Step 5: Solve for x
x = 151,296,279,198,875.06/11,321,881.92 - Step 6: Final answer
x = 13,363,174.10
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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.