Finding the Fourth Proportional to 8,879,239.12, 12,248,836.26 and 5,393,653.12
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Solution
The fourth proportional to 8,879,239.12, 12,248,836.26 and 5,393,653.12 is: 7,440,499.46
Step by Step Solution
- Step 1: Write the proportion equation
8,879,239.12 : 12,248,836.26 = 5,393,653.12 : x - Step 2: Convert to fraction form
8,879,239.12/12,248,836.26 = 5,393,653.12/x - Step 3: Cross multiply
8,879,239.12x = 12,248,836.26 × 5,393,653.12 - Step 4: Simplify right side
8,879,239.12x = 66,065,973,910,118.13 - Step 5: Solve for x
x = 66,065,973,910,118.13/8,879,239.12 - Step 6: Final answer
x = 7,440,499.46
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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.