Finding the Fourth Proportional to 16,292,779.59, 22,481,536.44 and 9,415,933.59
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Solution
The fourth proportional to 16,292,779.59, 22,481,536.44 and 9,415,933.59 is: 12,992,543.90
Step by Step Solution
- Step 1: Write the proportion equation
16,292,779.59 : 22,481,536.44 = 9,415,933.59 : x - Step 2: Convert to fraction form
16,292,779.59/22,481,536.44 = 9,415,933.59/x - Step 3: Cross multiply
16,292,779.59x = 22,481,536.44 × 9,415,933.59 - Step 4: Simplify right side
16,292,779.59x = 211,684,654,120,205.03 - Step 5: Solve for x
x = 211,684,654,120,205.03/16,292,779.59 - Step 6: Final answer
x = 12,992,543.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.