Finding the Fourth Proportional to 7,771,885.96, 11,658,606.56 and 2,380,474.12
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Solution
The fourth proportional to 7,771,885.96, 11,658,606.56 and 2,380,474.12 is: 3,570,949.36
Step by Step Solution
- Step 1: Write the proportion equation
7,771,885.96 : 11,658,606.56 = 2,380,474.12 : x - Step 2: Convert to fraction form
7,771,885.96/11,658,606.56 = 2,380,474.12/x - Step 3: Cross multiply
7,771,885.96x = 11,658,606.56 × 2,380,474.12 - Step 4: Simplify right side
7,771,885.96x = 27,753,011,191,342.23 - Step 5: Solve for x
x = 27,753,011,191,342.23/7,771,885.96 - Step 6: Final answer
x = 3,570,949.36
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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.