Finding the Fourth Proportional to 13,036,201.60, 19,572,964.80 and 7,367,497.60
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Solution
The fourth proportional to 13,036,201.60, 19,572,964.80 and 7,367,497.60 is: 11,061,793.58
Step by Step Solution
- Step 1: Write the proportion equation
13,036,201.60 : 19,572,964.80 = 7,367,497.60 : x - Step 2: Convert to fraction form
13,036,201.60/19,572,964.80 = 7,367,497.60/x - Step 3: Cross multiply
13,036,201.60x = 19,572,964.80 × 7,367,497.60 - Step 4: Simplify right side
13,036,201.60x = 144,203,771,188,884.47 - Step 5: Solve for x
x = 144,203,771,188,884.47/13,036,201.60 - Step 6: Final answer
x = 11,061,793.58
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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.