Finding the Fourth Proportional to 29,275,276.10, 40,400,121.69 and 16,222,752.99
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Solution
The fourth proportional to 29,275,276.10, 40,400,121.69 and 16,222,752.99 is: 22,387,532.50
Step by Step Solution
- Step 1: Write the proportion equation
29,275,276.10 : 40,400,121.69 = 16,222,752.99 : x - Step 2: Convert to fraction form
29,275,276.10/40,400,121.69 = 16,222,752.99/x - Step 3: Cross multiply
29,275,276.10x = 40,400,121.69 × 16,222,752.99 - Step 4: Simplify right side
29,275,276.10x = 655,401,194,942,811.38 - Step 5: Solve for x
x = 655,401,194,942,811.38/29,275,276.10 - Step 6: Final answer
x = 22,387,532.50
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1.5x scale
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.