Finding the Fourth Proportional to 8,158,434.36, 11,258,661.92 and 4,487,727.12
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Solution
The fourth proportional to 8,158,434.36, 11,258,661.92 and 4,487,727.12 is: 6,193,075.80
Step by Step Solution
- Step 1: Write the proportion equation
8,158,434.36 : 11,258,661.92 = 4,487,727.12 : x - Step 2: Convert to fraction form
8,158,434.36/11,258,661.92 = 4,487,727.12/x - Step 3: Cross multiply
8,158,434.36x = 11,258,661.92 × 4,487,727.12 - Step 4: Simplify right side
8,158,434.36x = 50,525,802,433,295.27 - Step 5: Solve for x
x = 50,525,802,433,295.27/8,158,434.36 - Step 6: Final answer
x = 6,193,075.80
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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.