Finding the Fourth Proportional to 9,201,753.98, 12,699,365.28 and 5,531,858.64
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Solution
The fourth proportional to 9,201,753.98, 12,699,365.28 and 5,531,858.64 is: 7,634,532.91
Step by Step Solution
- Step 1: Write the proportion equation
9,201,753.98 : 12,699,365.28 = 5,531,858.64 : x - Step 2: Convert to fraction form
9,201,753.98/12,699,365.28 = 5,531,858.64/x - Step 3: Cross multiply
9,201,753.98x = 12,699,365.28 × 5,531,858.64 - Step 4: Simplify right side
9,201,753.98x = 70,251,093,546,684.01 - Step 5: Solve for x
x = 70,251,093,546,684.01/9,201,753.98 - Step 6: Final answer
x = 7,634,532.91
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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.