Finding the Fourth Proportional to 8,877,903.70, 13,278,385.50 and 5,225,930.12
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Solution
The fourth proportional to 8,877,903.70, 13,278,385.50 and 5,225,930.12 is: 7,816,249.99
Step by Step Solution
- Step 1: Write the proportion equation
8,877,903.70 : 13,278,385.50 = 5,225,930.12 : x - Step 2: Convert to fraction form
8,877,903.70/13,278,385.50 = 5,225,930.12/x - Step 3: Cross multiply
8,877,903.70x = 13,278,385.50 × 5,225,930.12 - Step 4: Simplify right side
8,877,903.70x = 69,391,914,729,421.26 - Step 5: Solve for x
x = 69,391,914,729,421.26/8,877,903.70 - Step 6: Final answer
x = 7,816,249.99
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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.