Finding the Fourth Proportional to 11,969,651.36, 16,518,224.46 and 6,813,344.84
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Solution
The fourth proportional to 11,969,651.36, 16,518,224.46 and 6,813,344.84 is: 9,402,475.98
Step by Step Solution
- Step 1: Write the proportion equation
11,969,651.36 : 16,518,224.46 = 6,813,344.84 : x - Step 2: Convert to fraction form
11,969,651.36/16,518,224.46 = 6,813,344.84/x - Step 3: Cross multiply
11,969,651.36x = 16,518,224.46 × 6,813,344.84 - Step 4: Simplify right side
11,969,651.36x = 112,544,359,390,502.80 - Step 5: Solve for x
x = 112,544,359,390,502.80/11,969,651.36 - Step 6: Final answer
x = 9,402,475.98
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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.