Finding the Fourth Proportional to 38,765,104.44, 53,496,202.88 and 21,362,072.46
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Solution
The fourth proportional to 38,765,104.44, 53,496,202.88 and 21,362,072.46 is: 29,479,857.69
Step by Step Solution
- Step 1: Write the proportion equation
38,765,104.44 : 53,496,202.88 = 21,362,072.46 : x - Step 2: Convert to fraction form
38,765,104.44/53,496,202.88 = 21,362,072.46/x - Step 3: Cross multiply
38,765,104.44x = 53,496,202.88 × 21,362,072.46 - Step 4: Simplify right side
38,765,104.44x = 1,142,789,762,257,420.75 - Step 5: Solve for x
x = 1,142,789,762,257,420.75/38,765,104.44 - Step 6: Final answer
x = 29,479,857.69
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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.