Finding the Fourth Proportional to 11,916,098.20, 16,443,731.28 and 6,759,349.08
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Solution
The fourth proportional to 11,916,098.20, 16,443,731.28 and 6,759,349.08 is: 9,327,627.05
Step by Step Solution
- Step 1: Write the proportion equation
11,916,098.20 : 16,443,731.28 = 6,759,349.08 : x - Step 2: Convert to fraction form
11,916,098.20/16,443,731.28 = 6,759,349.08/x - Step 3: Cross multiply
11,916,098.20x = 16,443,731.28 × 6,759,349.08 - Step 4: Simplify right side
11,916,098.20x = 111,148,919,899,235.22 - Step 5: Solve for x
x = 111,148,919,899,235.22/11,916,098.20 - Step 6: Final answer
x = 9,327,627.05
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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.