Finding the Fourth Proportional to 7,338,906.20, 11,008,359.30 and 5,827,251.80
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Solution
The fourth proportional to 7,338,906.20, 11,008,359.30 and 5,827,251.80 is: 8,740,877.70
Step by Step Solution
- Step 1: Write the proportion equation
7,338,906.20 : 11,008,359.30 = 5,827,251.80 : x - Step 2: Convert to fraction form
7,338,906.20/11,008,359.30 = 5,827,251.80/x - Step 3: Cross multiply
7,338,906.20x = 11,008,359.30 × 5,827,251.80 - Step 4: Simplify right side
7,338,906.20x = 64,148,481,545,971.74 - Step 5: Solve for x
x = 64,148,481,545,971.74/7,338,906.20 - Step 6: Final answer
x = 8,740,877.70
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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.