Finding the Fourth Proportional to 12,311,439.04, 16,989,852.62 and 6,729,693.12
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Solution
The fourth proportional to 12,311,439.04, 16,989,852.62 and 6,729,693.12 is: 9,287,012.99
Step by Step Solution
- Step 1: Write the proportion equation
12,311,439.04 : 16,989,852.62 = 6,729,693.12 : x - Step 2: Convert to fraction form
12,311,439.04/16,989,852.62 = 6,729,693.12/x - Step 3: Cross multiply
12,311,439.04x = 16,989,852.62 × 6,729,693.12 - Step 4: Simplify right side
12,311,439.04x = 114,336,494,286,627.98 - Step 5: Solve for x
x = 114,336,494,286,627.98/12,311,439.04 - Step 6: Final answer
x = 9,287,012.99
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1.5x scale
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.