Finding the Fourth Proportional to 8,911,924.08, 13,363,738.92 and 3,231,918.96
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Solution
The fourth proportional to 8,911,924.08, 13,363,738.92 and 3,231,918.96 is: 4,846,374.45
Step by Step Solution
- Step 1: Write the proportion equation
8,911,924.08 : 13,363,738.92 = 3,231,918.96 : x - Step 2: Convert to fraction form
8,911,924.08/13,363,738.92 = 3,231,918.96/x - Step 3: Cross multiply
8,911,924.08x = 13,363,738.92 × 3,231,918.96 - Step 4: Simplify right side
8,911,924.08x = 43,190,521,192,037.92 - Step 5: Solve for x
x = 43,190,521,192,037.92/8,911,924.08 - Step 6: Final answer
x = 4,846,374.45
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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.