Finding the Fourth Proportional to 7,051,537.68, 9,733,139.80 and 4,152,610.02
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Solution
The fourth proportional to 7,051,537.68, 9,733,139.80 and 4,152,610.02 is: 5,731,790.10
Step by Step Solution
- Step 1: Write the proportion equation
7,051,537.68 : 9,733,139.80 = 4,152,610.02 : x - Step 2: Convert to fraction form
7,051,537.68/9,733,139.80 = 4,152,610.02/x - Step 3: Cross multiply
7,051,537.68x = 9,733,139.80 × 4,152,610.02 - Step 4: Simplify right side
7,051,537.68x = 40,417,933,859,540.80 - Step 5: Solve for x
x = 40,417,933,859,540.80/7,051,537.68 - Step 6: Final answer
x = 5,731,790.10
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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.