Finding the Fourth Proportional to 10,180,147.20, 15,234,209.28 and 7,478,062.08
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Solution
The fourth proportional to 10,180,147.20, 15,234,209.28 and 7,478,062.08 is: 11,190,640.03
Step by Step Solution
- Step 1: Write the proportion equation
10,180,147.20 : 15,234,209.28 = 7,478,062.08 : x - Step 2: Convert to fraction form
10,180,147.20/15,234,209.28 = 7,478,062.08/x - Step 3: Cross multiply
10,180,147.20x = 15,234,209.28 × 7,478,062.08 - Step 4: Simplify right side
10,180,147.20x = 113,922,362,735,552.09 - Step 5: Solve for x
x = 113,922,362,735,552.09/10,180,147.20 - Step 6: Final answer
x = 11,190,640.03
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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.