Finding the Fourth Proportional to 11,685,632.16, 16,117,808.98 and 8,201,748.34
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Solution
The fourth proportional to 11,685,632.16, 16,117,808.98 and 8,201,748.34 is: 11,312,542.72
Step by Step Solution
- Step 1: Write the proportion equation
11,685,632.16 : 16,117,808.98 = 8,201,748.34 : x - Step 2: Convert to fraction form
11,685,632.16/16,117,808.98 = 8,201,748.34/x - Step 3: Cross multiply
11,685,632.16x = 16,117,808.98 × 8,201,748.34 - Step 4: Simplify right side
11,685,632.16x = 132,194,213,046,152.09 - Step 5: Solve for x
x = 132,194,213,046,152.09/11,685,632.16 - Step 6: Final answer
x = 11,312,542.72
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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.