Finding the Fourth Proportional to 36,442,349.76, 50,288,469.12 and 20,143,776
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Solution
The fourth proportional to 36,442,349.76, 50,288,469.12 and 20,143,776 is: 27,797,319.99
Step by Step Solution
- Step 1: Write the proportion equation
36,442,349.76 : 50,288,469.12 = 20,143,776 : x - Step 2: Convert to fraction form
36,442,349.76/50,288,469.12 = 20,143,776/x - Step 3: Cross multiply
36,442,349.76x = 50,288,469.12 × 20,143,776 - Step 4: Simplify right side
36,442,349.76x = 1,012,999,657,336,197.12 - Step 5: Solve for x
x = 1,012,999,657,336,197.12/36,442,349.76 - Step 6: Final answer
x = 27,797,319.99
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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.