Finding the Fourth Proportional to 32,197,273.20, 44,428,195.44 and 21,765,980.21
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Solution
The fourth proportional to 32,197,273.20, 44,428,195.44 and 21,765,980.21 is: 30,034,320.50
Step by Step Solution
- Step 1: Write the proportion equation
32,197,273.20 : 44,428,195.44 = 21,765,980.21 : x - Step 2: Convert to fraction form
32,197,273.20/44,428,195.44 = 21,765,980.21/x - Step 3: Cross multiply
32,197,273.20x = 44,428,195.44 × 21,765,980.21 - Step 4: Simplify right side
32,197,273.20x = 967,023,222,490,911.12 - Step 5: Solve for x
x = 967,023,222,490,911.12/32,197,273.20 - Step 6: Final answer
x = 30,034,320.50
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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.