Finding the Fourth Proportional to 10,387,968.09, 15,582,735.36 and 3,100,852.20
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Solution
The fourth proportional to 10,387,968.09, 15,582,735.36 and 3,100,852.20 is: 4,651,512.10
Step by Step Solution
- Step 1: Write the proportion equation
10,387,968.09 : 15,582,735.36 = 3,100,852.20 : x - Step 2: Convert to fraction form
10,387,968.09/15,582,735.36 = 3,100,852.20/x - Step 3: Cross multiply
10,387,968.09x = 15,582,735.36 × 3,100,852.20 - Step 4: Simplify right side
10,387,968.09x = 48,319,759,223,073.80 - Step 5: Solve for x
x = 48,319,759,223,073.80/10,387,968.09 - Step 6: Final answer
x = 4,651,512.10
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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.