Finding the Fourth Proportional to 7,623,439.80, 11,439,621.18 and 2,834,434.68
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Solution
The fourth proportional to 7,623,439.80, 11,439,621.18 and 2,834,434.68 is: 4,253,310.82
Step by Step Solution
- Step 1: Write the proportion equation
7,623,439.80 : 11,439,621.18 = 2,834,434.68 : x - Step 2: Convert to fraction form
7,623,439.80/11,439,621.18 = 2,834,434.68/x - Step 3: Cross multiply
7,623,439.80x = 11,439,621.18 × 2,834,434.68 - Step 4: Simplify right side
7,623,439.80x = 32,424,858,998,654.52 - Step 5: Solve for x
x = 32,424,858,998,654.52/7,623,439.80 - Step 6: Final answer
x = 4,253,310.82
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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.