Finding the Fourth Proportional to 10,993,887.09, 15,165,260.88 and 6,856,735.65
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Solution
The fourth proportional to 10,993,887.09, 15,165,260.88 and 6,856,735.65 is: 9,458,363.91
Step by Step Solution
- Step 1: Write the proportion equation
10,993,887.09 : 15,165,260.88 = 6,856,735.65 : x - Step 2: Convert to fraction form
10,993,887.09/15,165,260.88 = 6,856,735.65/x - Step 3: Cross multiply
10,993,887.09x = 15,165,260.88 × 6,856,735.65 - Step 4: Simplify right side
10,993,887.09x = 103,984,184,917,446.39 - Step 5: Solve for x
x = 103,984,184,917,446.39/10,993,887.09 - Step 6: Final answer
x = 9,458,363.91
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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.