Finding the Fourth Proportional to 10,789,617.80, 16,184,426.70 and 2,811,441.80
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Solution
The fourth proportional to 10,789,617.80, 16,184,426.70 and 2,811,441.80 is: 4,217,162.70
Step by Step Solution
- Step 1: Write the proportion equation
10,789,617.80 : 16,184,426.70 = 2,811,441.80 : x - Step 2: Convert to fraction form
10,789,617.80/16,184,426.70 = 2,811,441.80/x - Step 3: Cross multiply
10,789,617.80x = 16,184,426.70 × 2,811,441.80 - Step 4: Simplify right side
10,789,617.80x = 45,501,573,733,416.05 - Step 5: Solve for x
x = 45,501,573,733,416.05/10,789,617.80 - Step 6: Final answer
x = 4,217,162.70
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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.