Finding the Fourth Proportional to 11,641,708.98, 16,066,042.29 and 6,485,068.98
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Solution
The fourth proportional to 11,641,708.98, 16,066,042.29 and 6,485,068.98 is: 8,949,664.75
Step by Step Solution
- Step 1: Write the proportion equation
11,641,708.98 : 16,066,042.29 = 6,485,068.98 : x - Step 2: Convert to fraction form
11,641,708.98/16,066,042.29 = 6,485,068.98/x - Step 3: Cross multiply
11,641,708.98x = 16,066,042.29 × 6,485,068.98 - Step 4: Simplify right side
11,641,708.98x = 104,189,392,486,247.17 - Step 5: Solve for x
x = 104,189,392,486,247.17/11,641,708.98 - Step 6: Final answer
x = 8,949,664.75
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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.