Finding the Fourth Proportional to 20,576,745.06, 28,393,298.26 and 11,281,869.19
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Solution
The fourth proportional to 20,576,745.06, 28,393,298.26 and 11,281,869.19 is: 15,567,548.51
Step by Step Solution
- Step 1: Write the proportion equation
20,576,745.06 : 28,393,298.26 = 11,281,869.19 : x - Step 2: Convert to fraction form
20,576,745.06/28,393,298.26 = 11,281,869.19/x - Step 3: Cross multiply
20,576,745.06x = 28,393,298.26 × 11,281,869.19 - Step 4: Simplify right side
20,576,745.06x = 320,329,476,841,974.62 - Step 5: Solve for x
x = 320,329,476,841,974.62/20,576,745.06 - Step 6: Final answer
x = 15,567,548.51
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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.