Finding the Fourth Proportional to 16,128,812.10, 24,193,218.15 and 10,418,117.70
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Solution
The fourth proportional to 16,128,812.10, 24,193,218.15 and 10,418,117.70 is: 15,627,176.55
Step by Step Solution
- Step 1: Write the proportion equation
16,128,812.10 : 24,193,218.15 = 10,418,117.70 : x - Step 2: Convert to fraction form
16,128,812.10/24,193,218.15 = 10,418,117.70/x - Step 3: Cross multiply
16,128,812.10x = 24,193,218.15 × 10,418,117.70 - Step 4: Simplify right side
16,128,812.10x = 252,047,794,228,476.22 - Step 5: Solve for x
x = 252,047,794,228,476.22/16,128,812.10 - Step 6: Final answer
x = 15,627,176.55
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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.