Finding the Fourth Proportional to 7,529,984.75, 11,335,948.36 and 6,860,369.09
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Solution
The fourth proportional to 7,529,984.75, 11,335,948.36 and 6,860,369.09 is: 10,327,881.44
Step by Step Solution
- Step 1: Write the proportion equation
7,529,984.75 : 11,335,948.36 = 6,860,369.09 : x - Step 2: Convert to fraction form
7,529,984.75/11,335,948.36 = 6,860,369.09/x - Step 3: Cross multiply
7,529,984.75x = 11,335,948.36 × 6,860,369.09 - Step 4: Simplify right side
7,529,984.75x = 77,768,789,734,780.19 - Step 5: Solve for x
x = 77,768,789,734,780.19/7,529,984.75 - Step 6: Final answer
x = 10,327,881.44
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.