Finding the Fourth Proportional to 11,004,943.68, 15,161,840.52 and 8,515,604.76
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Solution
The fourth proportional to 11,004,943.68, 15,161,840.52 and 8,515,604.76 is: 11,732,203.73
Step by Step Solution
- Step 1: Write the proportion equation
11,004,943.68 : 15,161,840.52 = 8,515,604.76 : x - Step 2: Convert to fraction form
11,004,943.68/15,161,840.52 = 8,515,604.76/x - Step 3: Cross multiply
11,004,943.68x = 15,161,840.52 × 8,515,604.76 - Step 4: Simplify right side
11,004,943.68x = 129,112,241,302,472.88 - Step 5: Solve for x
x = 129,112,241,302,472.88/11,004,943.68 - Step 6: Final answer
x = 11,732,203.73
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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.