Finding the Fourth Proportional to 17,570,930.40, 26,350,220.16 and 5,271,226.20
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Solution
The fourth proportional to 17,570,930.40, 26,350,220.16 and 5,271,226.20 is: 7,904,986.69
Step by Step Solution
- Step 1: Write the proportion equation
17,570,930.40 : 26,350,220.16 = 5,271,226.20 : x - Step 2: Convert to fraction form
17,570,930.40/26,350,220.16 = 5,271,226.20/x - Step 3: Cross multiply
17,570,930.40x = 26,350,220.16 × 5,271,226.20 - Step 4: Simplify right side
17,570,930.40x = 138,897,970,883,160.20 - Step 5: Solve for x
x = 138,897,970,883,160.20/17,570,930.40 - Step 6: Final answer
x = 7,904,986.69
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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.