Finding the Fourth Proportional to 36,408,367.20, 54,575,809.20 and 18,184,533.60
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Solution
The fourth proportional to 36,408,367.20, 54,575,809.20 and 18,184,533.60 is: 27,258,449.43
Step by Step Solution
- Step 1: Write the proportion equation
36,408,367.20 : 54,575,809.20 = 18,184,533.60 : x - Step 2: Convert to fraction form
36,408,367.20/54,575,809.20 = 18,184,533.60/x - Step 3: Cross multiply
36,408,367.20x = 54,575,809.20 × 18,184,533.60 - Step 4: Simplify right side
36,408,367.20x = 992,435,636,144,589.25 - Step 5: Solve for x
x = 992,435,636,144,589.25/36,408,367.20 - Step 6: Final answer
x = 27,258,449.43
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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.