Finding the Fourth Proportional to 11,077,678.16, 15,287,966.12 and 6,183,855.60
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Solution
The fourth proportional to 11,077,678.16, 15,287,966.12 and 6,183,855.60 is: 8,534,150.70
Step by Step Solution
- Step 1: Write the proportion equation
11,077,678.16 : 15,287,966.12 = 6,183,855.60 : x - Step 2: Convert to fraction form
11,077,678.16/15,287,966.12 = 6,183,855.60/x - Step 3: Cross multiply
11,077,678.16x = 15,287,966.12 × 6,183,855.60 - Step 4: Simplify right side
11,077,678.16x = 94,538,574,861,902.05 - Step 5: Solve for x
x = 94,538,574,861,902.05/11,077,678.16 - Step 6: Final answer
x = 8,534,150.70
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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.