Finding the Fourth Proportional to 15,330,007.20, 22,986,262.80 and 5,745,698.40
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Solution
The fourth proportional to 15,330,007.20, 22,986,262.80 and 5,745,698.40 is: 8,615,268.84
Step by Step Solution
- Step 1: Write the proportion equation
15,330,007.20 : 22,986,262.80 = 5,745,698.40 : x - Step 2: Convert to fraction form
15,330,007.20/22,986,262.80 = 5,745,698.40/x - Step 3: Cross multiply
15,330,007.20x = 22,986,262.80 × 5,745,698.40 - Step 4: Simplify right side
15,330,007.20x = 132,072,133,391,939.53 - Step 5: Solve for x
x = 132,072,133,391,939.53/15,330,007.20 - Step 6: Final answer
x = 8,615,268.84
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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.