Finding the Fourth Proportional to 8,528,454.24, 11,768,129.76 and 5,476,801.92
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Solution
The fourth proportional to 8,528,454.24, 11,768,129.76 and 5,476,801.92 is: 7,557,256.43
Step by Step Solution
- Step 1: Write the proportion equation
8,528,454.24 : 11,768,129.76 = 5,476,801.92 : x - Step 2: Convert to fraction form
8,528,454.24/11,768,129.76 = 5,476,801.92/x - Step 3: Cross multiply
8,528,454.24x = 11,768,129.76 × 5,476,801.92 - Step 4: Simplify right side
8,528,454.24x = 64,451,715,664,377.14 - Step 5: Solve for x
x = 64,451,715,664,377.14/8,528,454.24 - Step 6: Final answer
x = 7,557,256.43
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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.