Finding the Fourth Proportional to 31,817,040.64, 47,716,850.74 and 8,782,468.62
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Solution
The fourth proportional to 31,817,040.64, 47,716,850.74 and 8,782,468.62 is: 13,171,298.64
Step by Step Solution
- Step 1: Write the proportion equation
31,817,040.64 : 47,716,850.74 = 8,782,468.62 : x - Step 2: Convert to fraction form
31,817,040.64/47,716,850.74 = 8,782,468.62/x - Step 3: Cross multiply
31,817,040.64x = 47,716,850.74 × 8,782,468.62 - Step 4: Simplify right side
31,817,040.64x = 419,071,744,269,273.75 - Step 5: Solve for x
x = 419,071,744,269,273.75/31,817,040.64 - Step 6: Final answer
x = 13,171,298.64
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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.