Finding the Fourth Proportional to 12,206,829.80, 18,310,244.70 and 3,686,277.80
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Solution
The fourth proportional to 12,206,829.80, 18,310,244.70 and 3,686,277.80 is: 5,529,416.70
Step by Step Solution
- Step 1: Write the proportion equation
12,206,829.80 : 18,310,244.70 = 3,686,277.80 : x - Step 2: Convert to fraction form
12,206,829.80/18,310,244.70 = 3,686,277.80/x - Step 3: Cross multiply
12,206,829.80x = 18,310,244.70 × 3,686,277.80 - Step 4: Simplify right side
12,206,829.80x = 67,496,648,550,177.66 - Step 5: Solve for x
x = 67,496,648,550,177.66/12,206,829.80 - Step 6: Final answer
x = 5,529,416.70
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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.