Finding the Fourth Proportional to 7,026,215.91, 9,692,437.71 and 4,273,745.19
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Solution
The fourth proportional to 7,026,215.91, 9,692,437.71 and 4,273,745.19 is: 5,895,493.33
Step by Step Solution
- Step 1: Write the proportion equation
7,026,215.91 : 9,692,437.71 = 4,273,745.19 : x - Step 2: Convert to fraction form
7,026,215.91/9,692,437.71 = 4,273,745.19/x - Step 3: Cross multiply
7,026,215.91x = 9,692,437.71 × 4,273,745.19 - Step 4: Simplify right side
7,026,215.91x = 41,423,009,042,487.12 - Step 5: Solve for x
x = 41,423,009,042,487.12/7,026,215.91 - Step 6: Final answer
x = 5,895,493.33
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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.