Finding the Fourth Proportional to 7,954,750.12, 11,927,241.85 and 3,091,377.99
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Solution
The fourth proportional to 7,954,750.12, 11,927,241.85 and 3,091,377.99 is: 4,635,169.22
Step by Step Solution
- Step 1: Write the proportion equation
7,954,750.12 : 11,927,241.85 = 3,091,377.99 : x - Step 2: Convert to fraction form
7,954,750.12/11,927,241.85 = 3,091,377.99/x - Step 3: Cross multiply
7,954,750.12x = 11,927,241.85 × 3,091,377.99 - Step 4: Simplify right side
7,954,750.12x = 36,871,612,928,768.44 - Step 5: Solve for x
x = 36,871,612,928,768.44/7,954,750.12 - Step 6: Final answer
x = 4,635,169.22
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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.