Finding the Fourth Proportional to 16,505,977.80, 24,758,966.70 and 12,254,449.80
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Solution
The fourth proportional to 16,505,977.80, 24,758,966.70 and 12,254,449.80 is: 18,381,674.70
Step by Step Solution
- Step 1: Write the proportion equation
16,505,977.80 : 24,758,966.70 = 12,254,449.80 : x - Step 2: Convert to fraction form
16,505,977.80/24,758,966.70 = 12,254,449.80/x - Step 3: Cross multiply
16,505,977.80x = 24,758,966.70 × 12,254,449.80 - Step 4: Simplify right side
16,505,977.80x = 303,407,514,525,021.69 - Step 5: Solve for x
x = 303,407,514,525,021.69/16,505,977.80 - Step 6: Final answer
x = 18,381,674.70
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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.