Finding the Fourth Proportional to 8,018,713.66, 11,055,119.54 and 6,370,330.18
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Solution
The fourth proportional to 8,018,713.66, 11,055,119.54 and 6,370,330.18 is: 8,782,551.00
Step by Step Solution
- Step 1: Write the proportion equation
8,018,713.66 : 11,055,119.54 = 6,370,330.18 : x - Step 2: Convert to fraction form
8,018,713.66/11,055,119.54 = 6,370,330.18/x - Step 3: Cross multiply
8,018,713.66x = 11,055,119.54 × 6,370,330.18 - Step 4: Simplify right side
8,018,713.66x = 70,424,761,649,169.70 - Step 5: Solve for x
x = 70,424,761,649,169.70/8,018,713.66 - Step 6: Final answer
x = 8,782,551.00
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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.