Finding the Fourth Proportional to 27,584,881.70, 41,377,311.61 and 12,811,478.00
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Solution
The fourth proportional to 27,584,881.70, 41,377,311.61 and 12,811,478.00 is: 19,217,211.91
Step by Step Solution
- Step 1: Write the proportion equation
27,584,881.70 : 41,377,311.61 = 12,811,478.00 : x - Step 2: Convert to fraction form
27,584,881.70/41,377,311.61 = 12,811,478.00/x - Step 3: Cross multiply
27,584,881.70x = 41,377,311.61 × 12,811,478.00 - Step 4: Simplify right side
27,584,881.70x = 530,104,517,151,744.31 - Step 5: Solve for x
x = 530,104,517,151,744.31/27,584,881.70 - Step 6: Final answer
x = 19,217,211.91
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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.