Finding the Fourth Proportional to 20,242,291.10, 27,935,059.35 and 11,074,934.30
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Solution
The fourth proportional to 20,242,291.10, 27,935,059.35 and 11,074,934.30 is: 15,283,791.02
Step by Step Solution
- Step 1: Write the proportion equation
20,242,291.10 : 27,935,059.35 = 11,074,934.30 : x - Step 2: Convert to fraction form
20,242,291.10/27,935,059.35 = 11,074,934.30/x - Step 3: Cross multiply
20,242,291.10x = 27,935,059.35 × 11,074,934.30 - Step 4: Simplify right side
20,242,291.10x = 309,378,946,967,850.75 - Step 5: Solve for x
x = 309,378,946,967,850.75/20,242,291.10 - Step 6: Final answer
x = 15,283,791.02
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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.