Finding the Fourth Proportional to 12,192,334.11, 18,299,465.33 and 6,517,409.31
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Solution
The fourth proportional to 12,192,334.11, 18,299,465.33 and 6,517,409.31 is: 9,781,974.85
Step by Step Solution
- Step 1: Write the proportion equation
12,192,334.11 : 18,299,465.33 = 6,517,409.31 : x - Step 2: Convert to fraction form
12,192,334.11/18,299,465.33 = 6,517,409.31/x - Step 3: Cross multiply
12,192,334.11x = 18,299,465.33 × 6,517,409.31 - Step 4: Simplify right side
12,192,334.11x = 119,265,105,677,177.16 - Step 5: Solve for x
x = 119,265,105,677,177.16/12,192,334.11 - Step 6: Final answer
x = 9,781,974.85
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1.5x scale
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.