Finding the Fourth Proportional to 16,102,242.74, 22,220,588.66 and 8,759,887.76
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Solution
The fourth proportional to 16,102,242.74, 22,220,588.66 and 8,759,887.76 is: 12,088,369.66
Step by Step Solution
- Step 1: Write the proportion equation
16,102,242.74 : 22,220,588.66 = 8,759,887.76 : x - Step 2: Convert to fraction form
16,102,242.74/22,220,588.66 = 8,759,887.76/x - Step 3: Cross multiply
16,102,242.74x = 22,220,588.66 × 8,759,887.76 - Step 4: Simplify right side
16,102,242.74x = 194,649,862,622,728.81 - Step 5: Solve for x
x = 194,649,862,622,728.81/16,102,242.74 - Step 6: Final answer
x = 12,088,369.66
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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.