Finding the Fourth Proportional to 19,321,106.16, 28,979,882.28 and 6,540,150
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Solution
The fourth proportional to 19,321,106.16, 28,979,882.28 and 6,540,150 is: 9,809,623.50
Step by Step Solution
- Step 1: Write the proportion equation
19,321,106.16 : 28,979,882.28 = 6,540,150 : x - Step 2: Convert to fraction form
19,321,106.16/28,979,882.28 = 6,540,150/x - Step 3: Cross multiply
19,321,106.16x = 28,979,882.28 × 6,540,150 - Step 4: Simplify right side
19,321,106.16x = 189,532,777,093,542 - Step 5: Solve for x
x = 189,532,777,093,542/19,321,106.16 - Step 6: Final answer
x = 9,809,623.50
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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.