Finding the Fourth Proportional to 11,475,535.68, 15,835,612.32 and 6,317,917.92
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Solution
The fourth proportional to 11,475,535.68, 15,835,612.32 and 6,317,917.92 is: 8,718,381.58
Step by Step Solution
- Step 1: Write the proportion equation
11,475,535.68 : 15,835,612.32 = 6,317,917.92 : x - Step 2: Convert to fraction form
11,475,535.68/15,835,612.32 = 6,317,917.92/x - Step 3: Cross multiply
11,475,535.68x = 15,835,612.32 × 6,317,917.92 - Step 4: Simplify right side
11,475,535.68x = 100,048,098,850,700.78 - Step 5: Solve for x
x = 100,048,098,850,700.78/11,475,535.68 - Step 6: Final answer
x = 8,718,381.58
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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.