Finding the Fourth Proportional to 16,124,907.70, 22,638,643.70 and 16,124,907.70
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Solution
The fourth proportional to 16,124,907.70, 22,638,643.70 and 16,124,907.70 is: 22,638,643.70
Step by Step Solution
- Step 1: Write the proportion equation
16,124,907.70 : 22,638,643.70 = 16,124,907.70 : x - Step 2: Convert to fraction form
16,124,907.70/22,638,643.70 = 16,124,907.70/x - Step 3: Cross multiply
16,124,907.70x = 22,638,643.70 × 16,124,907.70 - Step 4: Simplify right side
16,124,907.70x = 365,046,040,115,686.44 - Step 5: Solve for x
x = 365,046,040,115,686.44/16,124,907.70 - Step 6: Final answer
x = 22,638,643.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.