Finding the Fourth Proportional to 10,889,486.44, 16,334,118.94 and 2,802,430.64
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Solution
The fourth proportional to 10,889,486.44, 16,334,118.94 and 2,802,430.64 is: 4,203,617.47
Step by Step Solution
- Step 1: Write the proportion equation
10,889,486.44 : 16,334,118.94 = 2,802,430.64 : x - Step 2: Convert to fraction form
10,889,486.44/16,334,118.94 = 2,802,430.64/x - Step 3: Cross multiply
10,889,486.44x = 16,334,118.94 × 2,802,430.64 - Step 4: Simplify right side
10,889,486.44x = 45,775,235,394,860.32 - Step 5: Solve for x
x = 45,775,235,394,860.32/10,889,486.44 - Step 6: Final answer
x = 4,203,617.47
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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.