Finding the Fourth Proportional to 12,201,240.28, 16,838,021.40 and 6,694,613.68
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Solution
The fourth proportional to 12,201,240.28, 16,838,021.40 and 6,694,613.68 is: 9,238,736.87
Step by Step Solution
- Step 1: Write the proportion equation
12,201,240.28 : 16,838,021.40 = 6,694,613.68 : x - Step 2: Convert to fraction form
12,201,240.28/16,838,021.40 = 6,694,613.68/x - Step 3: Cross multiply
12,201,240.28x = 16,838,021.40 × 6,694,613.68 - Step 4: Simplify right side
12,201,240.28x = 112,724,048,408,572.73 - Step 5: Solve for x
x = 112,724,048,408,572.73/12,201,240.28 - Step 6: Final answer
x = 9,238,736.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.