Finding the Fourth Proportional to 8,134,690.12, 12,202,106.68 and 2,069,428.26
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Solution
The fourth proportional to 8,134,690.12, 12,202,106.68 and 2,069,428.26 is: 3,104,160.58
Step by Step Solution
- Step 1: Write the proportion equation
8,134,690.12 : 12,202,106.68 = 2,069,428.26 : x - Step 2: Convert to fraction form
8,134,690.12/12,202,106.68 = 2,069,428.26/x - Step 3: Cross multiply
8,134,690.12x = 12,202,106.68 × 2,069,428.26 - Step 4: Simplify right side
8,134,690.12x = 25,251,384,395,126.78 - Step 5: Solve for x
x = 25,251,384,395,126.78/8,134,690.12 - Step 6: Final answer
x = 3,104,160.58
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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.