Finding the Fourth Proportional to 8,118,836.90, 11,203,993.99 and 4,855,651.10
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Solution
The fourth proportional to 8,118,836.90, 11,203,993.99 and 4,855,651.10 is: 6,700,797.96
Step by Step Solution
- Step 1: Write the proportion equation
8,118,836.90 : 11,203,993.99 = 4,855,651.10 : x - Step 2: Convert to fraction form
8,118,836.90/11,203,993.99 = 4,855,651.10/x - Step 3: Cross multiply
8,118,836.90x = 11,203,993.99 × 4,855,651.10 - Step 4: Simplify right side
8,118,836.90x = 54,402,685,727,695.91 - Step 5: Solve for x
x = 54,402,685,727,695.91/8,118,836.90 - Step 6: Final answer
x = 6,700,797.96
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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.