Finding the Fourth Proportional to 7,353,415.98, 11,030,125.04 and 1,962,086.46
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Solution
The fourth proportional to 7,353,415.98, 11,030,125.04 and 1,962,086.46 is: 2,943,129.97
Step by Step Solution
- Step 1: Write the proportion equation
7,353,415.98 : 11,030,125.04 = 1,962,086.46 : x - Step 2: Convert to fraction form
7,353,415.98/11,030,125.04 = 1,962,086.46/x - Step 3: Cross multiply
7,353,415.98x = 11,030,125.04 × 1,962,086.46 - Step 4: Simplify right side
7,353,415.98x = 21,642,058,983,280.53 - Step 5: Solve for x
x = 21,642,058,983,280.53/7,353,415.98 - Step 6: Final answer
x = 2,943,129.97
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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.