Finding the Fourth Proportional to 5,386,346.70, 8,083,926.45 and 5,344,356.30
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Solution
The fourth proportional to 5,386,346.70, 8,083,926.45 and 5,344,356.30 is: 8,020,906.50
Step by Step Solution
- Step 1: Write the proportion equation
5,386,346.70 : 8,083,926.45 = 5,344,356.30 : x - Step 2: Convert to fraction form
5,386,346.70/8,083,926.45 = 5,344,356.30/x - Step 3: Cross multiply
5,386,346.70x = 8,083,926.45 × 5,344,356.30 - Step 4: Simplify right side
5,386,346.70x = 43,203,383,251,794.13 - Step 5: Solve for x
x = 43,203,383,251,794.13/5,386,346.70 - Step 6: Final answer
x = 8,020,906.50
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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.