Finding the Fourth Proportional to 7,784,848.23, 11,679,402.78 and 3,744,715.65
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Solution
The fourth proportional to 7,784,848.23, 11,679,402.78 and 3,744,715.65 is: 5,618,098.27
Step by Step Solution
- Step 1: Write the proportion equation
7,784,848.23 : 11,679,402.78 = 3,744,715.65 : x - Step 2: Convert to fraction form
7,784,848.23/11,679,402.78 = 3,744,715.65/x - Step 3: Cross multiply
7,784,848.23x = 11,679,402.78 × 3,744,715.65 - Step 4: Simplify right side
7,784,848.23x = 43,736,042,372,919.50 - Step 5: Solve for x
x = 43,736,042,372,919.50/7,784,848.23 - Step 6: Final answer
x = 5,618,098.27
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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.