Finding the Fourth Proportional to 11,539,858.59, 15,841,613.48 and 9,905,428.44
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Solution
The fourth proportional to 11,539,858.59, 15,841,613.48 and 9,905,428.44 is: 13,597,910.88
Step by Step Solution
- Step 1: Write the proportion equation
11,539,858.59 : 15,841,613.48 = 9,905,428.44 : x - Step 2: Convert to fraction form
11,539,858.59/15,841,613.48 = 9,905,428.44/x - Step 3: Cross multiply
11,539,858.59x = 15,841,613.48 × 9,905,428.44 - Step 4: Simplify right side
11,539,858.59x = 156,917,968,650,752.22 - Step 5: Solve for x
x = 156,917,968,650,752.22/11,539,858.59 - Step 6: Final answer
x = 13,597,910.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.