Finding the Fourth Proportional to 11,229,805.81, 15,497,849.54 and 6,333,241.30
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Solution
The fourth proportional to 11,229,805.81, 15,497,849.54 and 6,333,241.30 is: 8,740,277.65
Step by Step Solution
- Step 1: Write the proportion equation
11,229,805.81 : 15,497,849.54 = 6,333,241.30 : x - Step 2: Convert to fraction form
11,229,805.81/15,497,849.54 = 6,333,241.30/x - Step 3: Cross multiply
11,229,805.81x = 15,497,849.54 × 6,333,241.30 - Step 4: Simplify right side
11,229,805.81x = 98,151,620,745,002.48 - Step 5: Solve for x
x = 98,151,620,745,002.48/11,229,805.81 - Step 6: Final answer
x = 8,740,277.65
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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.