Finding the Fourth Proportional to 16,239,016.67, 22,409,860.28 and 8,796,696.00
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Solution
The fourth proportional to 16,239,016.67, 22,409,860.28 and 8,796,696.00 is: 12,139,449.83
Step by Step Solution
- Step 1: Write the proportion equation
16,239,016.67 : 22,409,860.28 = 8,796,696.00 : x - Step 2: Convert to fraction form
16,239,016.67/22,409,860.28 = 8,796,696.00/x - Step 3: Cross multiply
16,239,016.67x = 22,409,860.28 × 8,796,696.00 - Step 4: Simplify right side
16,239,016.67x = 197,132,728,157,614.41 - Step 5: Solve for x
x = 197,132,728,157,614.41/16,239,016.67 - Step 6: Final answer
x = 12,139,449.83
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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.