Finding the Fourth Proportional to 11,090,228.10, 15,282,713.84 and 8,479,690.04
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Solution
The fourth proportional to 11,090,228.10, 15,282,713.84 and 8,479,690.04 is: 11,685,303.05
Step by Step Solution
- Step 1: Write the proportion equation
11,090,228.10 : 15,282,713.84 = 8,479,690.04 : x - Step 2: Convert to fraction form
11,090,228.10/15,282,713.84 = 8,479,690.04/x - Step 3: Cross multiply
11,090,228.10x = 15,282,713.84 × 8,479,690.04 - Step 4: Simplify right side
11,090,228.10x = 129,592,676,214,406.14 - Step 5: Solve for x
x = 129,592,676,214,406.14/11,090,228.10 - Step 6: Final answer
x = 11,685,303.05
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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.