Finding the Fourth Proportional to 18,408,105.45, 27,620,291.76 and 9,652,293.09
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Solution
The fourth proportional to 18,408,105.45, 27,620,291.76 and 9,652,293.09 is: 14,482,704.48
Step by Step Solution
- Step 1: Write the proportion equation
18,408,105.45 : 27,620,291.76 = 9,652,293.09 : x - Step 2: Convert to fraction form
18,408,105.45/27,620,291.76 = 9,652,293.09/x - Step 3: Cross multiply
18,408,105.45x = 27,620,291.76 × 9,652,293.09 - Step 4: Simplify right side
18,408,105.45x = 266,599,151,298,831.94 - Step 5: Solve for x
x = 266,599,151,298,831.94/18,408,105.45 - Step 6: Final answer
x = 14,482,704.48
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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.