Finding the Fourth Proportional to 11,242,543.28, 16,863,855 and 2,722,885.52
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Solution
The fourth proportional to 11,242,543.28, 16,863,855 and 2,722,885.52 is: 4,084,337.99
Step by Step Solution
- Step 1: Write the proportion equation
11,242,543.28 : 16,863,855 = 2,722,885.52 : x - Step 2: Convert to fraction form
11,242,543.28/16,863,855 = 2,722,885.52/x - Step 3: Cross multiply
11,242,543.28x = 16,863,855 × 2,722,885.52 - Step 4: Simplify right side
11,242,543.28x = 45,918,346,590,879.60 - Step 5: Solve for x
x = 45,918,346,590,879.60/11,242,543.28 - Step 6: Final answer
x = 4,084,337.99
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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.