Finding the Fourth Proportional to 13,228,311.08, 18,254,452.29 and 7,348,326.38
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Solution
The fourth proportional to 13,228,311.08, 18,254,452.29 and 7,348,326.38 is: 10,140,347.66
Step by Step Solution
- Step 1: Write the proportion equation
13,228,311.08 : 18,254,452.29 = 7,348,326.38 : x - Step 2: Convert to fraction form
13,228,311.08/18,254,452.29 = 7,348,326.38/x - Step 3: Cross multiply
13,228,311.08x = 18,254,452.29 × 7,348,326.38 - Step 4: Simplify right side
13,228,311.08x = 134,139,673,223,786.14 - Step 5: Solve for x
x = 134,139,673,223,786.14/13,228,311.08 - Step 6: Final answer
x = 10,140,347.66
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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.