Finding the Fourth Proportional to 11,439,198.09, 15,786,866.25 and 6,282,612.95
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Solution
The fourth proportional to 11,439,198.09, 15,786,866.25 and 6,282,612.95 is: 8,670,430.35
Step by Step Solution
- Step 1: Write the proportion equation
11,439,198.09 : 15,786,866.25 = 6,282,612.95 : x - Step 2: Convert to fraction form
11,439,198.09/15,786,866.25 = 6,282,612.95/x - Step 3: Cross multiply
11,439,198.09x = 15,786,866.25 × 6,282,612.95 - Step 4: Simplify right side
11,439,198.09x = 99,182,770,263,233.61 - Step 5: Solve for x
x = 99,182,770,263,233.61/11,439,198.09 - Step 6: Final answer
x = 8,670,430.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.