Finding the Fourth Proportional to 18,293,315.07, 25,245,219.20 and 10,033,715.91
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Solution
The fourth proportional to 18,293,315.07, 25,245,219.20 and 10,033,715.91 is: 13,846,771.70
Step by Step Solution
- Step 1: Write the proportion equation
18,293,315.07 : 25,245,219.20 = 10,033,715.91 : x - Step 2: Convert to fraction form
18,293,315.07/25,245,219.20 = 10,033,715.91/x - Step 3: Cross multiply
18,293,315.07x = 25,245,219.20 × 10,033,715.91 - Step 4: Simplify right side
18,293,315.07x = 253,303,357,488,308.91 - Step 5: Solve for x
x = 253,303,357,488,308.91/18,293,315.07 - Step 6: Final answer
x = 13,846,771.70
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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.