Finding the Fourth Proportional to 8,790,544.78, 13,185,306.47 and 2,642,393.68
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Solution
The fourth proportional to 8,790,544.78, 13,185,306.47 and 2,642,393.68 is: 3,963,437.00
Step by Step Solution
- Step 1: Write the proportion equation
8,790,544.78 : 13,185,306.47 = 2,642,393.68 : x - Step 2: Convert to fraction form
8,790,544.78/13,185,306.47 = 2,642,393.68/x - Step 3: Cross multiply
8,790,544.78x = 13,185,306.47 × 2,642,393.68 - Step 4: Simplify right side
8,790,544.78x = 34,840,770,471,979.14 - Step 5: Solve for x
x = 34,840,770,471,979.14/8,790,544.78 - Step 6: Final answer
x = 3,963,437.00
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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.