Finding the Fourth Proportional to 10,724,421.40, 14,799,597.26 and 7,983,366.68
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Solution
The fourth proportional to 10,724,421.40, 14,799,597.26 and 7,983,366.68 is: 11,016,968.40
Step by Step Solution
- Step 1: Write the proportion equation
10,724,421.40 : 14,799,597.26 = 7,983,366.68 : x - Step 2: Convert to fraction form
10,724,421.40/14,799,597.26 = 7,983,366.68/x - Step 3: Cross multiply
10,724,421.40x = 14,799,597.26 × 7,983,366.68 - Step 4: Simplify right side
10,724,421.40x = 118,150,611,642,903.30 - Step 5: Solve for x
x = 118,150,611,642,903.30/10,724,421.40 - Step 6: Final answer
x = 11,016,968.40
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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.