Finding the Fourth Proportional to 16,402,282.20, 24,603,423.30 and 7,880,563.80
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Solution
The fourth proportional to 16,402,282.20, 24,603,423.30 and 7,880,563.80 is: 11,820,845.70
Step by Step Solution
- Step 1: Write the proportion equation
16,402,282.20 : 24,603,423.30 = 7,880,563.80 : x - Step 2: Convert to fraction form
16,402,282.20/24,603,423.30 = 7,880,563.80/x - Step 3: Cross multiply
16,402,282.20x = 24,603,423.30 × 7,880,563.80 - Step 4: Simplify right side
16,402,282.20x = 193,888,847,014,056.53 - Step 5: Solve for x
x = 193,888,847,014,056.53/16,402,282.20 - Step 6: Final answer
x = 11,820,845.70
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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.