Finding the Fourth Proportional to 18,411,556.16, 27,616,340.36 and 5,632,062.32
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Solution
The fourth proportional to 18,411,556.16, 27,616,340.36 and 5,632,062.32 is: 8,447,789.45
Step by Step Solution
- Step 1: Write the proportion equation
18,411,556.16 : 27,616,340.36 = 5,632,062.32 : x - Step 2: Convert to fraction form
18,411,556.16/27,616,340.36 = 5,632,062.32/x - Step 3: Cross multiply
18,411,556.16x = 27,616,340.36 × 5,632,062.32 - Step 4: Simplify right side
18,411,556.16x = 155,536,949,957,851.25 - Step 5: Solve for x
x = 155,536,949,957,851.25/18,411,556.16 - Step 6: Final answer
x = 8,447,789.45
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1.5x scale
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.