Finding the Fourth Proportional to 16,254,852.12, 22,431,912.96 and 8,912,666.66
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Solution
The fourth proportional to 16,254,852.12, 22,431,912.96 and 8,912,666.66 is: 12,299,598.99
Step by Step Solution
- Step 1: Write the proportion equation
16,254,852.12 : 22,431,912.96 = 8,912,666.66 : x - Step 2: Convert to fraction form
16,254,852.12/22,431,912.96 = 8,912,666.66/x - Step 3: Cross multiply
16,254,852.12x = 22,431,912.96 × 8,912,666.66 - Step 4: Simplify right side
16,254,852.12x = 199,928,162,758,613.94 - Step 5: Solve for x
x = 199,928,162,758,613.94/16,254,852.12 - Step 6: Final answer
x = 12,299,598.99
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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.