Finding the Fourth Proportional to 18,556,474.60, 27,841,710.30 and 8,980,330.60
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Solution
The fourth proportional to 18,556,474.60, 27,841,710.30 and 8,980,330.60 is: 13,473,882.75
Step by Step Solution
- Step 1: Write the proportion equation
18,556,474.60 : 27,841,710.30 = 8,980,330.60 : x - Step 2: Convert to fraction form
18,556,474.60/27,841,710.30 = 8,980,330.60/x - Step 3: Cross multiply
18,556,474.60x = 27,841,710.30 × 8,980,330.60 - Step 4: Simplify right side
18,556,474.60x = 250,027,762,963,425.19 - Step 5: Solve for x
x = 250,027,762,963,425.19/18,556,474.60 - Step 6: Final answer
x = 13,473,882.75
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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.