Finding the Fourth Proportional to 34,520,479.32, 47,638,163.61 and 19,050,453.30
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Solution
The fourth proportional to 34,520,479.32, 47,638,163.61 and 19,050,453.30 is: 26,289,571.55
Step by Step Solution
- Step 1: Write the proportion equation
34,520,479.32 : 47,638,163.61 = 19,050,453.30 : x - Step 2: Convert to fraction form
34,520,479.32/47,638,163.61 = 19,050,453.30/x - Step 3: Cross multiply
34,520,479.32x = 47,638,163.61 × 19,050,453.30 - Step 4: Simplify right side
34,520,479.32x = 907,528,611,150,064.38 - Step 5: Solve for x
x = 907,528,611,150,064.38/34,520,479.32 - Step 6: Final answer
x = 26,289,571.55
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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.