Finding the Fourth Proportional to 14,781,544.21, 20,250,376.70 and 14,228,901.96
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Solution
The fourth proportional to 14,781,544.21, 20,250,376.70 and 14,228,901.96 is: 19,493,269.49
Step by Step Solution
- Step 1: Write the proportion equation
14,781,544.21 : 20,250,376.70 = 14,228,901.96 : x - Step 2: Convert to fraction form
14,781,544.21/20,250,376.70 = 14,228,901.96/x - Step 3: Cross multiply
14,781,544.21x = 20,250,376.70 × 14,228,901.96 - Step 4: Simplify right side
14,781,544.21x = 288,140,624,717,368.31 - Step 5: Solve for x
x = 288,140,624,717,368.31/14,781,544.21 - Step 6: Final answer
x = 19,493,269.49
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.