Finding the Fourth Proportional to 18,465,965.28, 27,699,512.20 and 6,335,258.56
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Solution
The fourth proportional to 18,465,965.28, 27,699,512.20 and 6,335,258.56 is: 9,503,081.43
Step by Step Solution
- Step 1: Write the proportion equation
18,465,965.28 : 27,699,512.20 = 6,335,258.56 : x - Step 2: Convert to fraction form
18,465,965.28/27,699,512.20 = 6,335,258.56/x - Step 3: Cross multiply
18,465,965.28x = 27,699,512.20 × 6,335,258.56 - Step 4: Simplify right side
18,465,965.28x = 175,483,571,772,874.41 - Step 5: Solve for x
x = 175,483,571,772,874.41/18,465,965.28 - Step 6: Final answer
x = 9,503,081.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.