Finding the Fourth Proportional to 8,670,178.50, 13,005,230.62 and 2,193,315.14
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Solution
The fourth proportional to 8,670,178.50, 13,005,230.62 and 2,193,315.14 is: 3,289,963.32
Step by Step Solution
- Step 1: Write the proportion equation
8,670,178.50 : 13,005,230.62 = 2,193,315.14 : x - Step 2: Convert to fraction form
8,670,178.50/13,005,230.62 = 2,193,315.14/x - Step 3: Cross multiply
8,670,178.50x = 13,005,230.62 × 2,193,315.14 - Step 4: Simplify right side
8,670,178.50x = 28,524,569,218,037.59 - Step 5: Solve for x
x = 28,524,569,218,037.59/8,670,178.50 - Step 6: Final answer
x = 3,289,963.32
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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.