Finding the Fourth Proportional to 18,270,766.08, 25,211,854.08 and 10,430,376.96
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Solution
The fourth proportional to 18,270,766.08, 25,211,854.08 and 10,430,376.96 is: 14,392,890.85
Step by Step Solution
- Step 1: Write the proportion equation
18,270,766.08 : 25,211,854.08 = 10,430,376.96 : x - Step 2: Convert to fraction form
18,270,766.08/25,211,854.08 = 10,430,376.96/x - Step 3: Cross multiply
18,270,766.08x = 25,211,854.08 × 10,430,376.96 - Step 4: Simplify right side
18,270,766.08x = 262,969,141,914,914 - Step 5: Solve for x
x = 262,969,141,914,914/18,270,766.08 - Step 6: Final answer
x = 14,392,890.85
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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.