Finding the Fourth Proportional to 11,512,890.28, 15,889,181.76 and 6,552,537.66
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Solution
The fourth proportional to 11,512,890.28, 15,889,181.76 and 6,552,537.66 is: 9,043,294.89
Step by Step Solution
- Step 1: Write the proportion equation
11,512,890.28 : 15,889,181.76 = 6,552,537.66 : x - Step 2: Convert to fraction form
11,512,890.28/15,889,181.76 = 6,552,537.66/x - Step 3: Cross multiply
11,512,890.28x = 15,889,181.76 × 6,552,537.66 - Step 4: Simplify right side
11,512,890.28x = 104,114,461,868,985.08 - Step 5: Solve for x
x = 104,114,461,868,985.08/11,512,890.28 - Step 6: Final answer
x = 9,043,294.89
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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.