Finding the Fourth Proportional to 10,525,811.80, 14,526,880.62 and 6,396,517.66
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Solution
The fourth proportional to 10,525,811.80, 14,526,880.62 and 6,396,517.66 is: 8,827,960.27
Step by Step Solution
- Step 1: Write the proportion equation
10,525,811.80 : 14,526,880.62 = 6,396,517.66 : x - Step 2: Convert to fraction form
10,525,811.80/14,526,880.62 = 6,396,517.66/x - Step 3: Cross multiply
10,525,811.80x = 14,526,880.62 × 6,396,517.66 - Step 4: Simplify right side
10,525,811.80x = 92,921,448,430,541.75 - Step 5: Solve for x
x = 92,921,448,430,541.75/10,525,811.80 - Step 6: Final answer
x = 8,827,960.27
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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.