Finding the Fourth Proportional to 12,448,548.66, 17,179,072.10 and 6,942,271.63
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Solution
The fourth proportional to 12,448,548.66, 17,179,072.10 and 6,942,271.63 is: 9,580,376.65
Step by Step Solution
- Step 1: Write the proportion equation
12,448,548.66 : 17,179,072.10 = 6,942,271.63 : x - Step 2: Convert to fraction form
12,448,548.66/17,179,072.10 = 6,942,271.63/x - Step 3: Cross multiply
12,448,548.66x = 17,179,072.10 × 6,942,271.63 - Step 4: Simplify right side
12,448,548.66x = 119,261,784,889,190.05 - Step 5: Solve for x
x = 119,261,784,889,190.05/12,448,548.66 - Step 6: Final answer
x = 9,580,376.65
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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.