Finding the Fourth Proportional to 33,887,296.28, 46,764,775.50 and 18,417,417.32
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Solution
The fourth proportional to 33,887,296.28, 46,764,775.50 and 18,417,417.32 is: 25,416,202.55
Step by Step Solution
- Step 1: Write the proportion equation
33,887,296.28 : 46,764,775.50 = 18,417,417.32 : x - Step 2: Convert to fraction form
33,887,296.28/46,764,775.50 = 18,417,417.32/x - Step 3: Cross multiply
33,887,296.28x = 46,764,775.50 × 18,417,417.32 - Step 4: Simplify right side
33,887,296.28x = 861,286,386,259,611.62 - Step 5: Solve for x
x = 861,286,386,259,611.62/33,887,296.28 - Step 6: Final answer
x = 25,416,202.55
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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.