Finding the Fourth Proportional to 11,238,876.20, 15,509,698.62 and 6,082,238.54
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Solution
The fourth proportional to 11,238,876.20, 15,509,698.62 and 6,082,238.54 is: 8,393,515.95
Step by Step Solution
- Step 1: Write the proportion equation
11,238,876.20 : 15,509,698.62 = 6,082,238.54 : x - Step 2: Convert to fraction form
11,238,876.20/15,509,698.62 = 6,082,238.54/x - Step 3: Cross multiply
11,238,876.20x = 15,509,698.62 × 6,082,238.54 - Step 4: Simplify right side
11,238,876.20x = 94,333,686,690,348.81 - Step 5: Solve for x
x = 94,333,686,690,348.81/11,238,876.20 - Step 6: Final answer
x = 8,393,515.95
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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.