Finding the Fourth Proportional to 32,921,235.60, 45,430,813.08 and 18,236,857.92
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Solution
The fourth proportional to 32,921,235.60, 45,430,813.08 and 18,236,857.92 is: 25,166,591.36
Step by Step Solution
- Step 1: Write the proportion equation
32,921,235.60 : 45,430,813.08 = 18,236,857.92 : x - Step 2: Convert to fraction form
32,921,235.60/45,430,813.08 = 18,236,857.92/x - Step 3: Cross multiply
32,921,235.60x = 45,430,813.08 × 18,236,857.92 - Step 4: Simplify right side
32,921,235.60x = 828,515,283,330,037.62 - Step 5: Solve for x
x = 828,515,283,330,037.62/32,921,235.60 - Step 6: Final answer
x = 25,166,591.36
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1.5x scale
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.