Finding the Fourth Proportional to 7,667,280.70, 11,491,152.45 and 4,074,768.70
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Solution
The fourth proportional to 7,667,280.70, 11,491,152.45 and 4,074,768.70 is: 6,106,961.54
Step by Step Solution
- Step 1: Write the proportion equation
7,667,280.70 : 11,491,152.45 = 4,074,768.70 : x - Step 2: Convert to fraction form
7,667,280.70/11,491,152.45 = 4,074,768.70/x - Step 3: Cross multiply
7,667,280.70x = 11,491,152.45 × 4,074,768.70 - Step 4: Simplify right side
7,667,280.70x = 46,823,788,330,188.31 - Step 5: Solve for x
x = 46,823,788,330,188.31/7,667,280.70 - Step 6: Final answer
x = 6,106,961.54
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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.