Finding the Fourth Proportional to 8,272,881.92, 12,402,628.80 and 3,720,596.80
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Solution
The fourth proportional to 8,272,881.92, 12,402,628.80 and 3,720,596.80 is: 5,577,884.64
Step by Step Solution
- Step 1: Write the proportion equation
8,272,881.92 : 12,402,628.80 = 3,720,596.80 : x - Step 2: Convert to fraction form
8,272,881.92/12,402,628.80 = 3,720,596.80/x - Step 3: Cross multiply
8,272,881.92x = 12,402,628.80 × 3,720,596.80 - Step 4: Simplify right side
8,272,881.92x = 46,145,181,024,867.84 - Step 5: Solve for x
x = 46,145,181,024,867.84/8,272,881.92 - Step 6: Final answer
x = 5,577,884.64
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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.