Finding the Fourth Proportional to 32,372,279.60, 48,550,643.40 and 18,695,850.80
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Solution
The fourth proportional to 32,372,279.60, 48,550,643.40 and 18,695,850.80 is: 28,039,285.35
Step by Step Solution
- Step 1: Write the proportion equation
32,372,279.60 : 48,550,643.40 = 18,695,850.80 : x - Step 2: Convert to fraction form
32,372,279.60/48,550,643.40 = 18,695,850.80/x - Step 3: Cross multiply
32,372,279.60x = 48,550,643.40 × 18,695,850.80 - Step 4: Simplify right side
32,372,279.60x = 907,695,585,250,404.75 - Step 5: Solve for x
x = 907,695,585,250,404.75/32,372,279.60 - Step 6: Final answer
x = 28,039,285.35
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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.