Finding the Fourth Proportional to 16,577,383.80, 24,869,438.70 and 5,215,189.80
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Solution
The fourth proportional to 16,577,383.80, 24,869,438.70 and 5,215,189.80 is: 7,823,842.69
Step by Step Solution
- Step 1: Write the proportion equation
16,577,383.80 : 24,869,438.70 = 5,215,189.80 : x - Step 2: Convert to fraction form
16,577,383.80/24,869,438.70 = 5,215,189.80/x - Step 3: Cross multiply
16,577,383.80x = 24,869,438.70 × 5,215,189.80 - Step 4: Simplify right side
16,577,383.80x = 129,698,843,039,965.25 - Step 5: Solve for x
x = 129,698,843,039,965.25/16,577,383.80 - Step 6: Final answer
x = 7,823,842.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.