Finding the Fourth Proportional to 8,311,968.05, 11,470,407.26 and 4,640,947.10
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Solution
The fourth proportional to 8,311,968.05, 11,470,407.26 and 4,640,947.10 is: 6,404,446.34
Step by Step Solution
- Step 1: Write the proportion equation
8,311,968.05 : 11,470,407.26 = 4,640,947.10 : x - Step 2: Convert to fraction form
8,311,968.05/11,470,407.26 = 4,640,947.10/x - Step 3: Cross multiply
8,311,968.05x = 11,470,407.26 × 4,640,947.10 - Step 4: Simplify right side
8,311,968.05x = 53,233,553,314,587.23 - Step 5: Solve for x
x = 53,233,553,314,587.23/8,311,968.05 - Step 6: Final answer
x = 6,404,446.34
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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.