Finding the Fourth Proportional to 8,230,028.99, 12,364,016.93 and 7,889,912.51
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Solution
The fourth proportional to 8,230,028.99, 12,364,016.93 and 7,889,912.51 is: 11,853,058.10
Step by Step Solution
- Step 1: Write the proportion equation
8,230,028.99 : 12,364,016.93 = 7,889,912.51 : x - Step 2: Convert to fraction form
8,230,028.99/12,364,016.93 = 7,889,912.51/x - Step 3: Cross multiply
8,230,028.99x = 12,364,016.93 × 7,889,912.51 - Step 4: Simplify right side
8,230,028.99x = 97,551,011,810,409.23 - Step 5: Solve for x
x = 97,551,011,810,409.23/8,230,028.99 - Step 6: Final answer
x = 11,853,058.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.