Finding the Fourth Proportional to 32,223,843.60, 48,335,765.40 and 19,483,645.20
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Solution
The fourth proportional to 32,223,843.60, 48,335,765.40 and 19,483,645.20 is: 29,225,467.80
Step by Step Solution
- Step 1: Write the proportion equation
32,223,843.60 : 48,335,765.40 = 19,483,645.20 : x - Step 2: Convert to fraction form
32,223,843.60/48,335,765.40 = 19,483,645.20/x - Step 3: Cross multiply
32,223,843.60x = 48,335,765.40 × 19,483,645.20 - Step 4: Simplify right side
32,223,843.60x = 941,756,903,524,036 - Step 5: Solve for x
x = 941,756,903,524,036/32,223,843.60 - Step 6: Final answer
x = 29,225,467.80
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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.