Finding the Fourth Proportional to 8,331,448.16, 12,498,688.56 and 3,782,565.92
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Solution
The fourth proportional to 8,331,448.16, 12,498,688.56 and 3,782,565.92 is: 5,674,537.31
Step by Step Solution
- Step 1: Write the proportion equation
8,331,448.16 : 12,498,688.56 = 3,782,565.92 : x - Step 2: Convert to fraction form
8,331,448.16/12,498,688.56 = 3,782,565.92/x - Step 3: Cross multiply
8,331,448.16x = 12,498,688.56 × 3,782,565.92 - Step 4: Simplify right side
8,331,448.16x = 47,277,113,391,749.88 - Step 5: Solve for x
x = 47,277,113,391,749.88/8,331,448.16 - Step 6: Final answer
x = 5,674,537.31
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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.