Finding the Fourth Proportional to 18,139,614.03, 27,209,252.01 and 7,354,351.25
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Solution
The fourth proportional to 18,139,614.03, 27,209,252.01 and 7,354,351.25 is: 11,031,458.34
Step by Step Solution
- Step 1: Write the proportion equation
18,139,614.03 : 27,209,252.01 = 7,354,351.25 : x - Step 2: Convert to fraction form
18,139,614.03/27,209,252.01 = 7,354,351.25/x - Step 3: Cross multiply
18,139,614.03x = 27,209,252.01 × 7,354,351.25 - Step 4: Simplify right side
18,139,614.03x = 200,106,396,395,262.28 - Step 5: Solve for x
x = 200,106,396,395,262.28/18,139,614.03 - Step 6: Final answer
x = 11,031,458.34
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1.5x scale
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.