Finding the Fourth Proportional to 15,795,130.43, 21,798,121.99 and 8,825,977.15
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Solution
The fourth proportional to 15,795,130.43, 21,798,121.99 and 8,825,977.15 is: 12,180,318.96
Step by Step Solution
- Step 1: Write the proportion equation
15,795,130.43 : 21,798,121.99 = 8,825,977.15 : x - Step 2: Convert to fraction form
15,795,130.43/21,798,121.99 = 8,825,977.15/x - Step 3: Cross multiply
15,795,130.43x = 21,798,121.99 × 8,825,977.15 - Step 4: Simplify right side
15,795,130.43x = 192,389,726,659,255.41 - Step 5: Solve for x
x = 192,389,726,659,255.41/15,795,130.43 - Step 6: Final answer
x = 12,180,318.96
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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.