Finding the Fourth Proportional to 13,645,810.27, 20,475,107.21 and 6,725,517.09
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Solution
The fourth proportional to 13,645,810.27, 20,475,107.21 and 6,725,517.09 is: 10,091,425.92
Step by Step Solution
- Step 1: Write the proportion equation
13,645,810.27 : 20,475,107.21 = 6,725,517.09 : x - Step 2: Convert to fraction form
13,645,810.27/20,475,107.21 = 6,725,517.09/x - Step 3: Cross multiply
13,645,810.27x = 20,475,107.21 × 6,725,517.09 - Step 4: Simplify right side
13,645,810.27x = 137,705,683,460,437.22 - Step 5: Solve for x
x = 137,705,683,460,437.22/13,645,810.27 - Step 6: Final answer
x = 10,091,425.92
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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.