Finding the Fourth Proportional to 7,227,466.25, 9,976,136.80 and 4,649,147.02
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Solution
The fourth proportional to 7,227,466.25, 9,976,136.80 and 4,649,147.02 is: 6,417,259.53
Step by Step Solution
- Step 1: Write the proportion equation
7,227,466.25 : 9,976,136.80 = 4,649,147.02 : x - Step 2: Convert to fraction form
7,227,466.25/9,976,136.80 = 4,649,147.02/x - Step 3: Cross multiply
7,227,466.25x = 9,976,136.80 × 4,649,147.02 - Step 4: Simplify right side
7,227,466.25x = 46,380,526,678,812.41 - Step 5: Solve for x
x = 46,380,526,678,812.41/7,227,466.25 - Step 6: Final answer
x = 6,417,259.53
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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.