Finding the Fourth Proportional to 19,071,609.34, 28,620,134.24 and 6,941,069.44
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Solution
The fourth proportional to 19,071,609.34, 28,620,134.24 and 6,941,069.44 is: 10,416,233.66
Step by Step Solution
- Step 1: Write the proportion equation
19,071,609.34 : 28,620,134.24 = 6,941,069.44 : x - Step 2: Convert to fraction form
19,071,609.34/28,620,134.24 = 6,941,069.44/x - Step 3: Cross multiply
19,071,609.34x = 28,620,134.24 × 6,941,069.44 - Step 4: Simplify right side
19,071,609.34x = 198,654,339,141,961.62 - Step 5: Solve for x
x = 198,654,339,141,961.62/19,071,609.34 - Step 6: Final answer
x = 10,416,233.66
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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.