Finding the Fourth Proportional to 13,575,650.51, 18,734,003.39 and 7,695,830.08
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Solution
The fourth proportional to 13,575,650.51, 18,734,003.39 and 7,695,830.08 is: 10,620,021.99
Step by Step Solution
- Step 1: Write the proportion equation
13,575,650.51 : 18,734,003.39 = 7,695,830.08 : x - Step 2: Convert to fraction form
13,575,650.51/18,734,003.39 = 7,695,830.08/x - Step 3: Cross multiply
13,575,650.51x = 18,734,003.39 × 7,695,830.08 - Step 4: Simplify right side
13,575,650.51x = 144,173,706,850,241.03 - Step 5: Solve for x
x = 144,173,706,850,241.03/13,575,650.51 - Step 6: Final answer
x = 10,620,021.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.