Finding the Fourth Proportional to 8,871,122.92, 12,242,309.06 and 5,202,685.37
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Solution
The fourth proportional to 8,871,122.92, 12,242,309.06 and 5,202,685.37 is: 7,179,799.31
Step by Step Solution
- Step 1: Write the proportion equation
8,871,122.92 : 12,242,309.06 = 5,202,685.37 : x - Step 2: Convert to fraction form
8,871,122.92/12,242,309.06 = 5,202,685.37/x - Step 3: Cross multiply
8,871,122.92x = 12,242,309.06 × 5,202,685.37 - Step 4: Simplify right side
8,871,122.92x = 63,692,882,193,275.62 - Step 5: Solve for x
x = 63,692,882,193,275.62/8,871,122.92 - Step 6: Final answer
x = 7,179,799.31
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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.