Finding the Fourth Proportional to 15,172,037.82, 22,702,069.49 and 9,110,461.14
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Solution
The fourth proportional to 15,172,037.82, 22,702,069.49 and 9,110,461.14 is: 13,632,072.65
Step by Step Solution
- Step 1: Write the proportion equation
15,172,037.82 : 22,702,069.49 = 9,110,461.14 : x - Step 2: Convert to fraction form
15,172,037.82/22,702,069.49 = 9,110,461.14/x - Step 3: Cross multiply
15,172,037.82x = 22,702,069.49 × 9,110,461.14 - Step 4: Simplify right side
15,172,037.82x = 206,826,321,840,672.31 - Step 5: Solve for x
x = 206,826,321,840,672.31/15,172,037.82 - Step 6: Final answer
x = 13,632,072.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.