Finding the Fourth Proportional to 28,347,318.09, 42,527,734.97 and 9,178,080.84
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Solution
The fourth proportional to 28,347,318.09, 42,527,734.97 and 9,178,080.84 is: 13,769,309.26
Step by Step Solution
- Step 1: Write the proportion equation
28,347,318.09 : 42,527,734.97 = 9,178,080.84 : x - Step 2: Convert to fraction form
28,347,318.09/42,527,734.97 = 9,178,080.84/x - Step 3: Cross multiply
28,347,318.09x = 42,527,734.97 × 9,178,080.84 - Step 4: Simplify right side
28,347,318.09x = 390,322,989,450,864.62 - Step 5: Solve for x
x = 390,322,989,450,864.62/28,347,318.09 - Step 6: Final answer
x = 13,769,309.26
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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.