Finding the Fourth Proportional to 16,771,906.80, 25,095,652.20 and 12,292,930.80
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Solution
The fourth proportional to 16,771,906.80, 25,095,652.20 and 12,292,930.80 is: 18,393,800.99
Step by Step Solution
- Step 1: Write the proportion equation
16,771,906.80 : 25,095,652.20 = 12,292,930.80 : x - Step 2: Convert to fraction form
16,771,906.80/25,095,652.20 = 12,292,930.80/x - Step 3: Cross multiply
16,771,906.80x = 25,095,652.20 × 12,292,930.80 - Step 4: Simplify right side
16,771,906.80x = 308,499,115,875,467.75 - Step 5: Solve for x
x = 308,499,115,875,467.75/16,771,906.80 - Step 6: Final answer
x = 18,393,800.99
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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.