Finding the Fourth Proportional to 13,158,107.35, 19,741,641.95 and 7,093,425.13
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Solution
The fourth proportional to 13,158,107.35, 19,741,641.95 and 7,093,425.13 is: 10,642,553.32
Step by Step Solution
- Step 1: Write the proportion equation
13,158,107.35 : 19,741,641.95 = 7,093,425.13 : x - Step 2: Convert to fraction form
13,158,107.35/19,741,641.95 = 7,093,425.13/x - Step 3: Cross multiply
13,158,107.35x = 19,741,641.95 × 7,093,425.13 - Step 4: Simplify right side
13,158,107.35x = 140,035,859,115,592.20 - Step 5: Solve for x
x = 140,035,859,115,592.20/13,158,107.35 - Step 6: Final answer
x = 10,642,553.32
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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.