Finding the Fourth Proportional to 10,926,770.70, 16,390,156.05 and 10,366,898.70
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Solution
The fourth proportional to 10,926,770.70, 16,390,156.05 and 10,366,898.70 is: 15,550,348.05
Step by Step Solution
- Step 1: Write the proportion equation
10,926,770.70 : 16,390,156.05 = 10,366,898.70 : x - Step 2: Convert to fraction form
10,926,770.70/16,390,156.05 = 10,366,898.70/x - Step 3: Cross multiply
10,926,770.70x = 16,390,156.05 × 10,366,898.70 - Step 4: Simplify right side
10,926,770.70x = 169,915,087,447,542.12 - Step 5: Solve for x
x = 169,915,087,447,542.12/10,926,770.70 - Step 6: Final answer
x = 15,550,348.05
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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.