Finding the Fourth Proportional to 7,411,684.82, 11,118,424.21 and 2,618,393.18
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Solution
The fourth proportional to 7,411,684.82, 11,118,424.21 and 2,618,393.18 is: 3,927,906.66
Step by Step Solution
- Step 1: Write the proportion equation
7,411,684.82 : 11,118,424.21 = 2,618,393.18 : x - Step 2: Convert to fraction form
7,411,684.82/11,118,424.21 = 2,618,393.18/x - Step 3: Cross multiply
7,411,684.82x = 11,118,424.21 × 2,618,393.18 - Step 4: Simplify right side
7,411,684.82x = 29,112,406,145,060.96 - Step 5: Solve for x
x = 29,112,406,145,060.96/7,411,684.82 - Step 6: Final answer
x = 3,927,906.66
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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.