Finding the Fourth Proportional to 7,838,922.16, 11,758,378.72 and 2,448,034.48
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Solution
The fourth proportional to 7,838,922.16, 11,758,378.72 and 2,448,034.48 is: 3,672,050.31
Step by Step Solution
- Step 1: Write the proportion equation
7,838,922.16 : 11,758,378.72 = 2,448,034.48 : x - Step 2: Convert to fraction form
7,838,922.16/11,758,378.72 = 2,448,034.48/x - Step 3: Cross multiply
7,838,922.16x = 11,758,378.72 × 2,448,034.48 - Step 4: Simplify right side
7,838,922.16x = 28,784,916,535,458.27 - Step 5: Solve for x
x = 28,784,916,535,458.27/7,838,922.16 - Step 6: Final answer
x = 3,672,050.31
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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.