Finding the Fourth Proportional to 19,201,302.12, 26,492,689.98 and 10,941,187.44
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Solution
The fourth proportional to 19,201,302.12, 26,492,689.98 and 10,941,187.44 is: 15,095,928.65
Step by Step Solution
- Step 1: Write the proportion equation
19,201,302.12 : 26,492,689.98 = 10,941,187.44 : x - Step 2: Convert to fraction form
19,201,302.12/26,492,689.98 = 10,941,187.44/x - Step 3: Cross multiply
19,201,302.12x = 26,492,689.98 × 10,941,187.44 - Step 4: Simplify right side
19,201,302.12x = 289,861,486,860,989.81 - Step 5: Solve for x
x = 289,861,486,860,989.81/19,201,302.12 - Step 6: Final answer
x = 15,095,928.65
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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.