Finding the Fourth Proportional to 10,761,619.20, 16,131,303.99 and 4,999,651.80
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Solution
The fourth proportional to 10,761,619.20, 16,131,303.99 and 4,999,651.80 is: 7,494,309.32
Step by Step Solution
- Step 1: Write the proportion equation
10,761,619.20 : 16,131,303.99 = 4,999,651.80 : x - Step 2: Convert to fraction form
10,761,619.20/16,131,303.99 = 4,999,651.80/x - Step 3: Cross multiply
10,761,619.20x = 16,131,303.99 × 4,999,651.80 - Step 4: Simplify right side
10,761,619.20x = 80,650,903,029,950.69 - Step 5: Solve for x
x = 80,650,903,029,950.69/10,761,619.20 - Step 6: Final answer
x = 7,494,309.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.