Finding the Fourth Proportional to 8,769,972.96, 13,154,814 and 2,621,968.92
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Solution
The fourth proportional to 8,769,972.96, 13,154,814 and 2,621,968.92 is: 3,932,909.90
Step by Step Solution
- Step 1: Write the proportion equation
8,769,972.96 : 13,154,814 = 2,621,968.92 : x - Step 2: Convert to fraction form
8,769,972.96/13,154,814 = 2,621,968.92/x - Step 3: Cross multiply
8,769,972.96x = 13,154,814 × 2,621,968.92 - Step 4: Simplify right side
8,769,972.96x = 34,491,513,456,380.88 - Step 5: Solve for x
x = 34,491,513,456,380.88/8,769,972.96 - Step 6: Final answer
x = 3,932,909.90
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1.5x scale
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.