Finding the Fourth Proportional to 13,604,770.68, 18,774,583.86 and 7,493,199.18
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Solution
The fourth proportional to 13,604,770.68, 18,774,583.86 and 7,493,199.18 is: 10,340,615.05
Step by Step Solution
- Step 1: Write the proportion equation
13,604,770.68 : 18,774,583.86 = 7,493,199.18 : x - Step 2: Convert to fraction form
13,604,770.68/18,774,583.86 = 7,493,199.18/x - Step 3: Cross multiply
13,604,770.68x = 18,774,583.86 × 7,493,199.18 - Step 4: Simplify right side
13,604,770.68x = 140,681,696,384,593.22 - Step 5: Solve for x
x = 140,681,696,384,593.22/13,604,770.68 - Step 6: Final answer
x = 10,340,615.05
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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.