Finding the Fourth Proportional to 11,088,704.34, 15,317,389.44 and 8,356,047.84
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Solution
The fourth proportional to 11,088,704.34, 15,317,389.44 and 8,356,047.84 is: 11,542,632.49
Step by Step Solution
- Step 1: Write the proportion equation
11,088,704.34 : 15,317,389.44 = 8,356,047.84 : x - Step 2: Convert to fraction form
11,088,704.34/15,317,389.44 = 8,356,047.84/x - Step 3: Cross multiply
11,088,704.34x = 15,317,389.44 × 8,356,047.84 - Step 4: Simplify right side
11,088,704.34x = 127,992,838,944,550.80 - Step 5: Solve for x
x = 127,992,838,944,550.80/11,088,704.34 - Step 6: Final answer
x = 11,542,632.49
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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.