Finding the Fourth Proportional to 15,205,292.73, 20,983,135.86 and 8,235,797.58
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Solution
The fourth proportional to 15,205,292.73, 20,983,135.86 and 8,235,797.58 is: 11,365,309.61
Step by Step Solution
- Step 1: Write the proportion equation
15,205,292.73 : 20,983,135.86 = 8,235,797.58 : x - Step 2: Convert to fraction form
15,205,292.73/20,983,135.86 = 8,235,797.58/x - Step 3: Cross multiply
15,205,292.73x = 20,983,135.86 × 8,235,797.58 - Step 4: Simplify right side
15,205,292.73x = 172,812,859,536,599.22 - Step 5: Solve for x
x = 172,812,859,536,599.22/15,205,292.73 - Step 6: Final answer
x = 11,365,309.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.