Finding the Fourth Proportional to 10,185,478.97, 15,278,222.57 and 2,509,273.13
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Solution
The fourth proportional to 10,185,478.97, 15,278,222.57 and 2,509,273.13 is: 3,763,910.70
Step by Step Solution
- Step 1: Write the proportion equation
10,185,478.97 : 15,278,222.57 = 2,509,273.13 : x - Step 2: Convert to fraction form
10,185,478.97/15,278,222.57 = 2,509,273.13/x - Step 3: Cross multiply
10,185,478.97x = 15,278,222.57 × 2,509,273.13 - Step 4: Simplify right side
10,185,478.97x = 38,337,233,280,123.06 - Step 5: Solve for x
x = 38,337,233,280,123.06/10,185,478.97 - Step 6: Final answer
x = 3,763,910.70
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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.