Finding the Fourth Proportional to 11,457,382.87, 15,806,713.39 and 6,559,987.60
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Solution
The fourth proportional to 11,457,382.87, 15,806,713.39 and 6,559,987.60 is: 9,050,220.72
Step by Step Solution
- Step 1: Write the proportion equation
11,457,382.87 : 15,806,713.39 = 6,559,987.60 : x - Step 2: Convert to fraction form
11,457,382.87/15,806,713.39 = 6,559,987.60/x - Step 3: Cross multiply
11,457,382.87x = 15,806,713.39 × 6,559,987.60 - Step 4: Simplify right side
11,457,382.87x = 103,691,843,779,237.20 - Step 5: Solve for x
x = 103,691,843,779,237.20/11,457,382.87 - Step 6: Final answer
x = 9,050,220.72
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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.