Finding the Fourth Proportional to 18,465,037.16, 25,482,719.97 and 11,125,173.56
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Solution
The fourth proportional to 18,465,037.16, 25,482,719.97 and 11,125,173.56 is: 15,353,323.14
Step by Step Solution
- Step 1: Write the proportion equation
18,465,037.16 : 25,482,719.97 = 11,125,173.56 : x - Step 2: Convert to fraction form
18,465,037.16/25,482,719.97 = 11,125,173.56/x - Step 3: Cross multiply
18,465,037.16x = 25,482,719.97 × 11,125,173.56 - Step 4: Simplify right side
18,465,037.16x = 283,499,682,319,714.38 - Step 5: Solve for x
x = 283,499,682,319,714.38/18,465,037.16 - Step 6: Final answer
x = 15,353,323.14
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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.