Finding the Fourth Proportional to 8,917,553.58, 12,306,247.56 and 5,246,608.47
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Solution
The fourth proportional to 8,917,553.58, 12,306,247.56 and 5,246,608.47 is: 7,240,333.59
Step by Step Solution
- Step 1: Write the proportion equation
8,917,553.58 : 12,306,247.56 = 5,246,608.47 : x - Step 2: Convert to fraction form
8,917,553.58/12,306,247.56 = 5,246,608.47/x - Step 3: Cross multiply
8,917,553.58x = 12,306,247.56 × 5,246,608.47 - Step 4: Simplify right side
8,917,553.58x = 64,566,062,682,212.84 - Step 5: Solve for x
x = 64,566,062,682,212.84/8,917,553.58 - Step 6: Final answer
x = 7,240,333.59
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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.