Finding the Fourth Proportional to 11,292,491.07, 15,583,779.56 and 6,135,938.73
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Solution
The fourth proportional to 11,292,491.07, 15,583,779.56 and 6,135,938.73 is: 8,467,672.54
Step by Step Solution
- Step 1: Write the proportion equation
11,292,491.07 : 15,583,779.56 = 6,135,938.73 : x - Step 2: Convert to fraction form
11,292,491.07/15,583,779.56 = 6,135,938.73/x - Step 3: Cross multiply
11,292,491.07x = 15,583,779.56 × 6,135,938.73 - Step 4: Simplify right side
11,292,491.07x = 95,621,116,531,306.67 - Step 5: Solve for x
x = 95,621,116,531,306.67/11,292,491.07 - Step 6: Final answer
x = 8,467,672.54
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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.