Finding the Fourth Proportional to 7,339,316.30, 11,008,974.45 and 2,545,412.30
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Solution
The fourth proportional to 7,339,316.30, 11,008,974.45 and 2,545,412.30 is: 3,818,118.45
Step by Step Solution
- Step 1: Write the proportion equation
7,339,316.30 : 11,008,974.45 = 2,545,412.30 : x - Step 2: Convert to fraction form
7,339,316.30/11,008,974.45 = 2,545,412.30/x - Step 3: Cross multiply
7,339,316.30x = 11,008,974.45 × 2,545,412.30 - Step 4: Simplify right side
7,339,316.30x = 28,022,378,975,415.73 - Step 5: Solve for x
x = 28,022,378,975,415.73/7,339,316.30 - Step 6: Final answer
x = 3,818,118.45
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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.