Finding the Fourth Proportional to 11,457,379.50, 15,806,708.74 and 6,559,984.23
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Solution
The fourth proportional to 11,457,379.50, 15,806,708.74 and 6,559,984.23 is: 9,050,216.07
Step by Step Solution
- Step 1: Write the proportion equation
11,457,379.50 : 15,806,708.74 = 6,559,984.23 : x - Step 2: Convert to fraction form
11,457,379.50/15,806,708.74 = 6,559,984.23/x - Step 3: Cross multiply
11,457,379.50x = 15,806,708.74 × 6,559,984.23 - Step 4: Simplify right side
11,457,379.50x = 103,691,760,062,603.17 - Step 5: Solve for x
x = 103,691,760,062,603.17/11,457,379.50 - Step 6: Final answer
x = 9,050,216.07
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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.