Finding the Fourth Proportional to 13,981,370.94, 19,293,901.41 and 7,786,416
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Solution
The fourth proportional to 13,981,370.94, 19,293,901.41 and 7,786,416 is: 10,745,036.61
Step by Step Solution
- Step 1: Write the proportion equation
13,981,370.94 : 19,293,901.41 = 7,786,416 : x - Step 2: Convert to fraction form
13,981,370.94/19,293,901.41 = 7,786,416/x - Step 3: Cross multiply
13,981,370.94x = 19,293,901.41 × 7,786,416 - Step 4: Simplify right side
13,981,370.94x = 150,230,342,641,246.56 - Step 5: Solve for x
x = 150,230,342,641,246.56/13,981,370.94 - Step 6: Final answer
x = 10,745,036.61
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1.5x scale
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.