Finding the Fourth Proportional to 11,453,538.68, 15,808,291.82 and 7,264,511.50
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Solution
The fourth proportional to 11,453,538.68, 15,808,291.82 and 7,264,511.50 is: 10,026,553.45
Step by Step Solution
- Step 1: Write the proportion equation
11,453,538.68 : 15,808,291.82 = 7,264,511.50 : x - Step 2: Convert to fraction form
11,453,538.68/15,808,291.82 = 7,264,511.50/x - Step 3: Cross multiply
11,453,538.68x = 15,808,291.82 × 7,264,511.50 - Step 4: Simplify right side
11,453,538.68x = 114,839,517,721,745.94 - Step 5: Solve for x
x = 114,839,517,721,745.94/11,453,538.68 - Step 6: Final answer
x = 10,026,553.45
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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.