Finding the Fourth Proportional to 8,856,844.20, 13,288,376.70 and 3,809,701.80
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Solution
The fourth proportional to 8,856,844.20, 13,288,376.70 and 3,809,701.80 is: 5,715,890.61
Step by Step Solution
- Step 1: Write the proportion equation
8,856,844.20 : 13,288,376.70 = 3,809,701.80 : x - Step 2: Convert to fraction form
8,856,844.20/13,288,376.70 = 3,809,701.80/x - Step 3: Cross multiply
8,856,844.20x = 13,288,376.70 × 3,809,701.80 - Step 4: Simplify right side
8,856,844.20x = 50,624,752,633,068.05 - Step 5: Solve for x
x = 50,624,752,633,068.05/8,856,844.20 - Step 6: Final answer
x = 5,715,890.61
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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.