Finding the Fourth Proportional to 7,691,365.42, 10,612,905.25 and 4,427,549.49
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Solution
The fourth proportional to 7,691,365.42, 10,612,905.25 and 4,427,549.49 is: 6,109,339.59
Step by Step Solution
- Step 1: Write the proportion equation
7,691,365.42 : 10,612,905.25 = 4,427,549.49 : x - Step 2: Convert to fraction form
7,691,365.42/10,612,905.25 = 4,427,549.49/x - Step 3: Cross multiply
7,691,365.42x = 10,612,905.25 × 4,427,549.49 - Step 4: Simplify right side
7,691,365.42x = 46,989,163,236,707.37 - Step 5: Solve for x
x = 46,989,163,236,707.37/7,691,365.42 - Step 6: Final answer
x = 6,109,339.59
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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.