Finding the Fourth Proportional to 18,257,069.13, 27,390,723.49 and 7,334,928.43
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Solution
The fourth proportional to 18,257,069.13, 27,390,723.49 and 7,334,928.43 is: 11,004,449.56
Step by Step Solution
- Step 1: Write the proportion equation
18,257,069.13 : 27,390,723.49 = 7,334,928.43 : x - Step 2: Convert to fraction form
18,257,069.13/27,390,723.49 = 7,334,928.43/x - Step 3: Cross multiply
18,257,069.13x = 27,390,723.49 × 7,334,928.43 - Step 4: Simplify right side
18,257,069.13x = 200,908,996,308,116.19 - Step 5: Solve for x
x = 200,908,996,308,116.19/18,257,069.13 - Step 6: Final answer
x = 11,004,449.56
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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.