Finding the Fourth Proportional to 42,197,080.70, 63,306,983.37 and 21,715,639.81
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Solution
The fourth proportional to 42,197,080.70, 63,306,983.37 and 21,715,639.81 is: 32,579,307.03
Step by Step Solution
- Step 1: Write the proportion equation
42,197,080.70 : 63,306,983.37 = 21,715,639.81 : x - Step 2: Convert to fraction form
42,197,080.70/63,306,983.37 = 21,715,639.81/x - Step 3: Cross multiply
42,197,080.70x = 63,306,983.37 × 21,715,639.81 - Step 4: Simplify right side
42,197,080.70x = 1,374,751,647,949,756 - Step 5: Solve for x
x = 1,374,751,647,949,756/42,197,080.70 - Step 6: Final answer
x = 32,579,307.03
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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.