Finding the Fourth Proportional to 8,391,067.68, 11,576,394 and 4,719,142.08
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Solution
The fourth proportional to 8,391,067.68, 11,576,394 and 4,719,142.08 is: 6,510,571.73
Step by Step Solution
- Step 1: Write the proportion equation
8,391,067.68 : 11,576,394 = 4,719,142.08 : x - Step 2: Convert to fraction form
8,391,067.68/11,576,394 = 4,719,142.08/x - Step 3: Cross multiply
8,391,067.68x = 11,576,394 × 4,719,142.08 - Step 4: Simplify right side
8,391,067.68x = 54,630,648,060,059.52 - Step 5: Solve for x
x = 54,630,648,060,059.52/8,391,067.68 - Step 6: Final answer
x = 6,510,571.73
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1.5x scale
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.