Finding the Fourth Proportional to 15,684,815.20, 23,528,672.88 and 6,100,921.12
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Solution
The fourth proportional to 15,684,815.20, 23,528,672.88 and 6,100,921.12 is: 9,151,945.72
Step by Step Solution
- Step 1: Write the proportion equation
15,684,815.20 : 23,528,672.88 = 6,100,921.12 : x - Step 2: Convert to fraction form
15,684,815.20/23,528,672.88 = 6,100,921.12/x - Step 3: Cross multiply
15,684,815.20x = 23,528,672.88 × 6,100,921.12 - Step 4: Simplify right side
15,684,815.20x = 143,546,577,299,163.22 - Step 5: Solve for x
x = 143,546,577,299,163.22/15,684,815.20 - Step 6: Final answer
x = 9,151,945.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.