Finding the Fourth Proportional to 7,634,856.24, 11,451,985.20 and 2,586,166.56
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Solution
The fourth proportional to 7,634,856.24, 11,451,985.20 and 2,586,166.56 is: 3,879,148.51
Step by Step Solution
- Step 1: Write the proportion equation
7,634,856.24 : 11,451,985.20 = 2,586,166.56 : x - Step 2: Convert to fraction form
7,634,856.24/11,451,985.20 = 2,586,166.56/x - Step 3: Cross multiply
7,634,856.24x = 11,451,985.20 × 2,586,166.56 - Step 4: Simplify right side
7,634,856.24x = 29,616,741,169,854.91 - Step 5: Solve for x
x = 29,616,741,169,854.91/7,634,856.24 - Step 6: Final answer
x = 3,879,148.51
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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.