Finding the Fourth Proportional to 18,911,242.19, 26,104,044.59 and 11,073,273.99
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Solution
The fourth proportional to 18,911,242.19, 26,104,044.59 and 11,073,273.99 is: 15,284,941.88
Step by Step Solution
- Step 1: Write the proportion equation
18,911,242.19 : 26,104,044.59 = 11,073,273.99 : x - Step 2: Convert to fraction form
18,911,242.19/26,104,044.59 = 11,073,273.99/x - Step 3: Cross multiply
18,911,242.19x = 26,104,044.59 × 11,073,273.99 - Step 4: Simplify right side
18,911,242.19x = 289,057,237,880,515.44 - Step 5: Solve for x
x = 289,057,237,880,515.44/18,911,242.19 - Step 6: Final answer
x = 15,284,941.88
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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.