Finding the Fourth Proportional to 13,153,076.20, 19,701,620.70 and 10,913,588.20
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Solution
The fourth proportional to 13,153,076.20, 19,701,620.70 and 10,913,588.20 is: 16,347,154.99
Step by Step Solution
- Step 1: Write the proportion equation
13,153,076.20 : 19,701,620.70 = 10,913,588.20 : x - Step 2: Convert to fraction form
13,153,076.20/19,701,620.70 = 10,913,588.20/x - Step 3: Cross multiply
13,153,076.20x = 19,701,620.70 × 10,913,588.20 - Step 4: Simplify right side
13,153,076.20x = 215,015,375,192,395.72 - Step 5: Solve for x
x = 215,015,375,192,395.72/13,153,076.20 - Step 6: Final answer
x = 16,347,154.99
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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.