Finding the Fourth Proportional to 7,136,395.67, 9,848,235.76 and 3,873,210.44
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Solution
The fourth proportional to 7,136,395.67, 9,848,235.76 and 3,873,210.44 is: 5,345,035.69
Step by Step Solution
- Step 1: Write the proportion equation
7,136,395.67 : 9,848,235.76 = 3,873,210.44 : x - Step 2: Convert to fraction form
7,136,395.67/9,848,235.76 = 3,873,210.44/x - Step 3: Cross multiply
7,136,395.67x = 9,848,235.76 × 3,873,210.44 - Step 4: Simplify right side
7,136,395.67x = 38,144,289,561,213.34 - Step 5: Solve for x
x = 38,144,289,561,213.34/7,136,395.67 - Step 6: Final answer
x = 5,345,035.69
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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.