Finding the Fourth Proportional to 13,101,213.53, 18,079,271.79 and 8,209,133.07
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Solution
The fourth proportional to 13,101,213.53, 18,079,271.79 and 8,209,133.07 is: 11,328,351.20
Step by Step Solution
- Step 1: Write the proportion equation
13,101,213.53 : 18,079,271.79 = 8,209,133.07 : x - Step 2: Convert to fraction form
13,101,213.53/18,079,271.79 = 8,209,133.07/x - Step 3: Cross multiply
13,101,213.53x = 18,079,271.79 × 8,209,133.07 - Step 4: Simplify right side
13,101,213.53x = 148,415,147,935,921.47 - Step 5: Solve for x
x = 148,415,147,935,921.47/13,101,213.53 - Step 6: Final answer
x = 11,328,351.20
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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.