Finding the Fourth Proportional to 8,426,287.51, 11,640,181.04 and 6,705,205.99
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Solution
The fourth proportional to 8,426,287.51, 11,640,181.04 and 6,705,205.99 is: 9,262,657.07
Step by Step Solution
- Step 1: Write the proportion equation
8,426,287.51 : 11,640,181.04 = 6,705,205.99 : x - Step 2: Convert to fraction form
8,426,287.51/11,640,181.04 = 6,705,205.99/x - Step 3: Cross multiply
8,426,287.51x = 11,640,181.04 × 6,705,205.99 - Step 4: Simplify right side
8,426,287.51x = 78,049,811,596,610.47 - Step 5: Solve for x
x = 78,049,811,596,610.47/8,426,287.51 - Step 6: Final answer
x = 9,262,657.07
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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.