Finding the Fourth Proportional to 9,177,305.40, 13,769,894.70 and 4,689,581.40
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Solution
The fourth proportional to 9,177,305.40, 13,769,894.70 and 4,689,581.40 is: 7,036,383.69
Step by Step Solution
- Step 1: Write the proportion equation
9,177,305.40 : 13,769,894.70 = 4,689,581.40 : x - Step 2: Convert to fraction form
9,177,305.40/13,769,894.70 = 4,689,581.40/x - Step 3: Cross multiply
9,177,305.40x = 13,769,894.70 × 4,689,581.40 - Step 4: Simplify right side
9,177,305.40x = 64,575,042,065,078.58 - Step 5: Solve for x
x = 64,575,042,065,078.58/9,177,305.40 - Step 6: Final answer
x = 7,036,383.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.