Finding the Fourth Proportional to 13,330,532.76, 19,995,799.14 and 3,745,524.12
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Solution
The fourth proportional to 13,330,532.76, 19,995,799.14 and 3,745,524.12 is: 5,618,286.18
Step by Step Solution
- Step 1: Write the proportion equation
13,330,532.76 : 19,995,799.14 = 3,745,524.12 : x - Step 2: Convert to fraction form
13,330,532.76/19,995,799.14 = 3,745,524.12/x - Step 3: Cross multiply
13,330,532.76x = 19,995,799.14 × 3,745,524.12 - Step 4: Simplify right side
13,330,532.76x = 74,894,747,977,545.27 - Step 5: Solve for x
x = 74,894,747,977,545.27/13,330,532.76 - Step 6: Final answer
x = 5,618,286.18
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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.