Finding the Fourth Proportional to 8,169,764.32, 11,273,833.20 and 4,497,965.92
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Solution
The fourth proportional to 8,169,764.32, 11,273,833.20 and 4,497,965.92 is: 6,206,949.86
Step by Step Solution
- Step 1: Write the proportion equation
8,169,764.32 : 11,273,833.20 = 4,497,965.92 : x - Step 2: Convert to fraction form
8,169,764.32/11,273,833.20 = 4,497,965.92/x - Step 3: Cross multiply
8,169,764.32x = 11,273,833.20 × 4,497,965.92 - Step 4: Simplify right side
8,169,764.32x = 50,709,317,521,364.54 - Step 5: Solve for x
x = 50,709,317,521,364.54/8,169,764.32 - Step 6: Final answer
x = 6,206,949.86
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1.5x scale
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.