Finding the Fourth Proportional to 10,233,530.72, 14,122,293.36 and 5,649,860.96
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Solution
The fourth proportional to 10,233,530.72, 14,122,293.36 and 5,649,860.96 is: 7,796,819.70
Step by Step Solution
- Step 1: Write the proportion equation
10,233,530.72 : 14,122,293.36 = 5,649,860.96 : x - Step 2: Convert to fraction form
10,233,530.72/14,122,293.36 = 5,649,860.96/x - Step 3: Cross multiply
10,233,530.72x = 14,122,293.36 × 5,649,860.96 - Step 4: Simplify right side
10,233,530.72x = 79,788,993,920,331.22 - Step 5: Solve for x
x = 79,788,993,920,331.22/10,233,530.72 - Step 6: Final answer
x = 7,796,819.70
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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.