Finding the Fourth Proportional to 8,477,474.77, 11,698,561.92 and 4,806,639.70
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Solution
The fourth proportional to 8,477,474.77, 11,698,561.92 and 4,806,639.70 is: 6,632,962.49
Step by Step Solution
- Step 1: Write the proportion equation
8,477,474.77 : 11,698,561.92 = 4,806,639.70 : x - Step 2: Convert to fraction form
8,477,474.77/11,698,561.92 = 4,806,639.70/x - Step 3: Cross multiply
8,477,474.77x = 11,698,561.92 × 4,806,639.70 - Step 4: Simplify right side
8,477,474.77x = 56,230,772,157,580.23 - Step 5: Solve for x
x = 56,230,772,157,580.23/8,477,474.77 - Step 6: Final answer
x = 6,632,962.49
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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.