Finding the Fourth Proportional to 15,006,186.83, 20,700,549.63 and 9,127,618.99
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Solution
The fourth proportional to 15,006,186.83, 20,700,549.63 and 9,127,618.99 is: 12,591,255.33
Step by Step Solution
- Step 1: Write the proportion equation
15,006,186.83 : 20,700,549.63 = 9,127,618.99 : x - Step 2: Convert to fraction form
15,006,186.83/20,700,549.63 = 9,127,618.99/x - Step 3: Cross multiply
15,006,186.83x = 20,700,549.63 × 9,127,618.99 - Step 4: Simplify right side
15,006,186.83x = 188,946,729,906,225.47 - Step 5: Solve for x
x = 188,946,729,906,225.47/15,006,186.83 - Step 6: Final answer
x = 12,591,255.33
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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.