Finding the Fourth Proportional to 38,686,950.09, 57,982,595.40 and 19,523,187.63
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Solution
The fourth proportional to 38,686,950.09, 57,982,595.40 and 19,523,187.63 is: 29,260,644.39
Step by Step Solution
- Step 1: Write the proportion equation
38,686,950.09 : 57,982,595.40 = 19,523,187.63 : x - Step 2: Convert to fraction form
38,686,950.09/57,982,595.40 = 19,523,187.63/x - Step 3: Cross multiply
38,686,950.09x = 57,982,595.40 × 19,523,187.63 - Step 4: Simplify right side
38,686,950.09x = 1,132,005,089,268,574.75 - Step 5: Solve for x
x = 1,132,005,089,268,574.75/38,686,950.09 - Step 6: Final answer
x = 29,260,644.39
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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.