Finding the Fourth Proportional to 19,414,022.10, 29,121,033.15 and 19,162,079.70
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Solution
The fourth proportional to 19,414,022.10, 29,121,033.15 and 19,162,079.70 is: 28,743,119.55
Step by Step Solution
- Step 1: Write the proportion equation
19,414,022.10 : 29,121,033.15 = 19,162,079.70 : x - Step 2: Convert to fraction form
19,414,022.10/29,121,033.15 = 19,162,079.70/x - Step 3: Cross multiply
19,414,022.10x = 29,121,033.15 × 19,162,079.70 - Step 4: Simplify right side
19,414,022.10x = 558,019,558,166,642 - Step 5: Solve for x
x = 558,019,558,166,642/19,414,022.10 - Step 6: Final answer
x = 28,743,119.55
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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.