Finding the Fourth Proportional to 25,178,934.11, 37,768,399.08 and 6,983,129.00
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Solution
The fourth proportional to 25,178,934.11, 37,768,399.08 and 6,983,129.00 is: 10,474,692.92
Step by Step Solution
- Step 1: Write the proportion equation
25,178,934.11 : 37,768,399.08 = 6,983,129.00 : x - Step 2: Convert to fraction form
25,178,934.11/37,768,399.08 = 6,983,129.00/x - Step 3: Cross multiply
25,178,934.11x = 37,768,399.08 × 6,983,129.00 - Step 4: Simplify right side
25,178,934.11x = 263,741,602,710,279.31 - Step 5: Solve for x
x = 263,741,602,710,279.31/25,178,934.11 - Step 6: Final answer
x = 10,474,692.92
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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.