Finding the Fourth Proportional to 27,784,968.48, 38,343,373.92 and 16,190,485.92
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Solution
The fourth proportional to 27,784,968.48, 38,343,373.92 and 16,190,485.92 is: 22,342,938.99
Step by Step Solution
- Step 1: Write the proportion equation
27,784,968.48 : 38,343,373.92 = 16,190,485.92 : x - Step 2: Convert to fraction form
27,784,968.48/38,343,373.92 = 16,190,485.92/x - Step 3: Cross multiply
27,784,968.48x = 38,343,373.92 × 16,190,485.92 - Step 4: Simplify right side
27,784,968.48x = 620,797,855,577,055.25 - Step 5: Solve for x
x = 620,797,855,577,055.25/27,784,968.48 - Step 6: Final answer
x = 22,342,938.99
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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.