Finding the Fourth Proportional to 11,791,235.58, 16,272,646.79 and 7,145,427.39
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Solution
The fourth proportional to 11,791,235.58, 16,272,646.79 and 7,145,427.39 is: 9,861,139.26
Step by Step Solution
- Step 1: Write the proportion equation
11,791,235.58 : 16,272,646.79 = 7,145,427.39 : x - Step 2: Convert to fraction form
11,791,235.58/16,272,646.79 = 7,145,427.39/x - Step 3: Cross multiply
11,791,235.58x = 16,272,646.79 × 7,145,427.39 - Step 4: Simplify right side
11,791,235.58x = 116,275,016,045,334.44 - Step 5: Solve for x
x = 116,275,016,045,334.44/11,791,235.58 - Step 6: Final answer
x = 9,861,139.26
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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.