Finding the Fourth Proportional to 11,207,430.18, 16,811,157.96 and 3,120,423.66
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Solution
The fourth proportional to 11,207,430.18, 16,811,157.96 and 3,120,423.66 is: 4,680,639.02
Step by Step Solution
- Step 1: Write the proportion equation
11,207,430.18 : 16,811,157.96 = 3,120,423.66 : x - Step 2: Convert to fraction form
11,207,430.18/16,811,157.96 = 3,120,423.66/x - Step 3: Cross multiply
11,207,430.18x = 16,811,157.96 × 3,120,423.66 - Step 4: Simplify right side
11,207,430.18x = 52,457,935,050,381.34 - Step 5: Solve for x
x = 52,457,935,050,381.34/11,207,430.18 - Step 6: Final answer
x = 4,680,639.02
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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.