Finding the Fourth Proportional to 12,494,545.70, 18,743,335.13 and 3,519,097.70
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Solution
The fourth proportional to 12,494,545.70, 18,743,335.13 and 3,519,097.70 is: 5,279,073.69
Step by Step Solution
- Step 1: Write the proportion equation
12,494,545.70 : 18,743,335.13 = 3,519,097.70 : x - Step 2: Convert to fraction form
12,494,545.70/18,743,335.13 = 3,519,097.70/x - Step 3: Cross multiply
12,494,545.70x = 18,743,335.13 × 3,519,097.70 - Step 4: Simplify right side
12,494,545.70x = 65,959,627,461,393.27 - Step 5: Solve for x
x = 65,959,627,461,393.27/12,494,545.70 - Step 6: Final answer
x = 5,279,073.69
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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.