Finding the Fourth Proportional to 7,450,827.74, 10,279,830.41 and 4,351,115.07
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Solution
The fourth proportional to 7,450,827.74, 10,279,830.41 and 4,351,115.07 is: 6,003,188.72
Step by Step Solution
- Step 1: Write the proportion equation
7,450,827.74 : 10,279,830.41 = 4,351,115.07 : x - Step 2: Convert to fraction form
7,450,827.74/10,279,830.41 = 4,351,115.07/x - Step 3: Cross multiply
7,450,827.74x = 10,279,830.41 × 4,351,115.07 - Step 4: Simplify right side
7,450,827.74x = 44,728,725,075,221.78 - Step 5: Solve for x
x = 44,728,725,075,221.78/7,450,827.74 - Step 6: Final answer
x = 6,003,188.72
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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.