Finding the Fourth Proportional to 44,485,322.40, 66,734,204.40 and 18,926,128.80
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Solution
The fourth proportional to 44,485,322.40, 66,734,204.40 and 18,926,128.80 is: 28,391,839.82
Step by Step Solution
- Step 1: Write the proportion equation
44,485,322.40 : 66,734,204.40 = 18,926,128.80 : x - Step 2: Convert to fraction form
44,485,322.40/66,734,204.40 = 18,926,128.80/x - Step 3: Cross multiply
44,485,322.40x = 66,734,204.40 × 18,926,128.80 - Step 4: Simplify right side
44,485,322.40x = 1,263,020,147,839,926.75 - Step 5: Solve for x
x = 1,263,020,147,839,926.75/44,485,322.40 - Step 6: Final answer
x = 28,391,839.82
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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.