Finding the Fourth Proportional to 16,215,896.12, 22,377,938.85 and 8,873,731.00
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Solution
The fourth proportional to 16,215,896.12, 22,377,938.85 and 8,873,731.00 is: 12,245,749.99
Step by Step Solution
- Step 1: Write the proportion equation
16,215,896.12 : 22,377,938.85 = 8,873,731.00 : x - Step 2: Convert to fraction form
16,215,896.12/22,377,938.85 = 8,873,731.00/x - Step 3: Cross multiply
16,215,896.12x = 22,377,938.85 × 8,873,731.00 - Step 4: Simplify right side
16,215,896.12x = 198,575,809,717,321.81 - Step 5: Solve for x
x = 198,575,809,717,321.81/16,215,896.12 - Step 6: Final answer
x = 12,245,749.99
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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.