Finding the Fourth Proportional to 10,651,362.56, 15,941,840.40 and 9,694,220.67
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Solution
The fourth proportional to 10,651,362.56, 15,941,840.40 and 9,694,220.67 is: 14,509,290.99
Step by Step Solution
- Step 1: Write the proportion equation
10,651,362.56 : 15,941,840.40 = 9,694,220.67 : x - Step 2: Convert to fraction form
10,651,362.56/15,941,840.40 = 9,694,220.67/x - Step 3: Cross multiply
10,651,362.56x = 15,941,840.40 × 9,694,220.67 - Step 4: Simplify right side
10,651,362.56x = 154,543,718,723,521.06 - Step 5: Solve for x
x = 154,543,718,723,521.06/10,651,362.56 - Step 6: Final answer
x = 14,509,290.99
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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.