Finding the Fourth Proportional to 8,783,977.84, 12,121,886.72 and 4,916,497.97
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Solution
The fourth proportional to 8,783,977.84, 12,121,886.72 and 4,916,497.97 is: 6,784,765.69
Step by Step Solution
- Step 1: Write the proportion equation
8,783,977.84 : 12,121,886.72 = 4,916,497.97 : x - Step 2: Convert to fraction form
8,783,977.84/12,121,886.72 = 4,916,497.97/x - Step 3: Cross multiply
8,783,977.84x = 12,121,886.72 × 4,916,497.97 - Step 4: Simplify right side
8,783,977.84x = 59,597,231,426,867.46 - Step 5: Solve for x
x = 59,597,231,426,867.46/8,783,977.84 - Step 6: Final answer
x = 6,784,765.69
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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.