Finding the Fourth Proportional to 11,830,967.22, 16,326,745.68 and 6,398,459.22
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Solution
The fourth proportional to 11,830,967.22, 16,326,745.68 and 6,398,459.22 is: 8,829,879.63
Step by Step Solution
- Step 1: Write the proportion equation
11,830,967.22 : 16,326,745.68 = 6,398,459.22 : x - Step 2: Convert to fraction form
11,830,967.22/16,326,745.68 = 6,398,459.22/x - Step 3: Cross multiply
11,830,967.22x = 16,326,745.68 × 6,398,459.22 - Step 4: Simplify right side
11,830,967.22x = 104,466,016,428,791.16 - Step 5: Solve for x
x = 104,466,016,428,791.16/11,830,967.22 - Step 6: Final answer
x = 8,829,879.63
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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.