Finding the Fourth Proportional to 8,356,911.98, 11,534,930.01 and 4,921,145.91
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Solution
The fourth proportional to 8,356,911.98, 11,534,930.01 and 4,921,145.91 is: 6,792,589.63
Step by Step Solution
- Step 1: Write the proportion equation
8,356,911.98 : 11,534,930.01 = 4,921,145.91 : x - Step 2: Convert to fraction form
8,356,911.98/11,534,930.01 = 4,921,145.91/x - Step 3: Cross multiply
8,356,911.98x = 11,534,930.01 × 4,921,145.91 - Step 4: Simplify right side
8,356,911.98x = 56,765,073,640,847.76 - Step 5: Solve for x
x = 56,765,073,640,847.76/8,356,911.98 - Step 6: Final answer
x = 6,792,589.63
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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.