Finding the Fourth Proportional to 18,880,911, 26,053,326.42 and 11,908,955.14
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Solution
The fourth proportional to 18,880,911, 26,053,326.42 and 11,908,955.14 is: 16,432,887.99
Step by Step Solution
- Step 1: Write the proportion equation
18,880,911 : 26,053,326.42 = 11,908,955.14 : x - Step 2: Convert to fraction form
18,880,911/26,053,326.42 = 11,908,955.14/x - Step 3: Cross multiply
18,880,911x = 26,053,326.42 × 11,908,955.14 - Step 4: Simplify right side
18,880,911x = 310,267,895,583,556.81 - Step 5: Solve for x
x = 310,267,895,583,556.81/18,880,911 - Step 6: Final answer
x = 16,432,887.99
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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.