Finding the Fourth Proportional to 8,474,782.14, 11,695,332.42 and 4,607,318.07
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Solution
The fourth proportional to 8,474,782.14, 11,695,332.42 and 4,607,318.07 is: 6,358,171.28
Step by Step Solution
- Step 1: Write the proportion equation
8,474,782.14 : 11,695,332.42 = 4,607,318.07 : x - Step 2: Convert to fraction form
8,474,782.14/11,695,332.42 = 4,607,318.07/x - Step 3: Cross multiply
8,474,782.14x = 11,695,332.42 × 4,607,318.07 - Step 4: Simplify right side
8,474,782.14x = 53,884,116,393,322.84 - Step 5: Solve for x
x = 53,884,116,393,322.84/8,474,782.14 - Step 6: Final answer
x = 6,358,171.28
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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.