Finding the Fourth Proportional to 11,153,845.68, 15,392,430.99 and 6,192,625.11
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Solution
The fourth proportional to 11,153,845.68, 15,392,430.99 and 6,192,625.11 is: 8,545,891.47
Step by Step Solution
- Step 1: Write the proportion equation
11,153,845.68 : 15,392,430.99 = 6,192,625.11 : x - Step 2: Convert to fraction form
11,153,845.68/15,392,430.99 = 6,192,625.11/x - Step 3: Cross multiply
11,153,845.68x = 15,392,430.99 × 6,192,625.11 - Step 4: Simplify right side
11,153,845.68x = 95,319,554,652,616.17 - Step 5: Solve for x
x = 95,319,554,652,616.17/11,153,845.68 - Step 6: Final answer
x = 8,545,891.47
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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.