Finding the Fourth Proportional to 14,909,704.20, 22,364,556.30 and 14,657,761.80
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Solution
The fourth proportional to 14,909,704.20, 22,364,556.30 and 14,657,761.80 is: 21,986,642.70
Step by Step Solution
- Step 1: Write the proportion equation
14,909,704.20 : 22,364,556.30 = 14,657,761.80 : x - Step 2: Convert to fraction form
14,909,704.20/22,364,556.30 = 14,657,761.80/x - Step 3: Cross multiply
14,909,704.20x = 22,364,556.30 × 14,657,761.80 - Step 4: Simplify right side
14,909,704.20x = 327,814,339,008,089.38 - Step 5: Solve for x
x = 327,814,339,008,089.38/14,909,704.20 - Step 6: Final answer
x = 21,986,642.70
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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.