Finding the Fourth Proportional to 8,242,808.42, 11,361,936.84 and 6,497,633.69
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Solution
The fourth proportional to 8,242,808.42, 11,361,936.84 and 6,497,633.69 is: 8,956,377.47
Step by Step Solution
- Step 1: Write the proportion equation
8,242,808.42 : 11,361,936.84 = 6,497,633.69 : x - Step 2: Convert to fraction form
8,242,808.42/11,361,936.84 = 6,497,633.69/x - Step 3: Cross multiply
8,242,808.42x = 11,361,936.84 × 6,497,633.69 - Step 4: Simplify right side
8,242,808.42x = 73,825,703,538,426.45 - Step 5: Solve for x
x = 73,825,703,538,426.45/8,242,808.42 - Step 6: Final answer
x = 8,956,377.47
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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.