Finding the Fourth Proportional to 13,106,935.91, 18,095,330.42 and 11,652,614.40
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Solution
The fourth proportional to 13,106,935.91, 18,095,330.42 and 11,652,614.40 is: 16,087,505.82
Step by Step Solution
- Step 1: Write the proportion equation
13,106,935.91 : 18,095,330.42 = 11,652,614.40 : x - Step 2: Convert to fraction form
13,106,935.91/18,095,330.42 = 11,652,614.40/x - Step 3: Cross multiply
13,106,935.91x = 18,095,330.42 × 11,652,614.40 - Step 4: Simplify right side
13,106,935.91x = 210,857,907,766,586.97 - Step 5: Solve for x
x = 210,857,907,766,586.97/13,106,935.91 - Step 6: Final answer
x = 16,087,505.82
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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.