Finding the Fourth Proportional to 18,279,455.28, 27,255,759.72 and 17,777,243.52
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Solution
The fourth proportional to 18,279,455.28, 27,255,759.72 and 17,777,243.52 is: 26,506,931.99
Step by Step Solution
- Step 1: Write the proportion equation
18,279,455.28 : 27,255,759.72 = 17,777,243.52 : x - Step 2: Convert to fraction form
18,279,455.28/27,255,759.72 = 17,777,243.52/x - Step 3: Cross multiply
18,279,455.28x = 27,255,759.72 × 17,777,243.52 - Step 4: Simplify right side
18,279,455.28x = 484,532,277,865,047 - Step 5: Solve for x
x = 484,532,277,865,047/18,279,455.28 - Step 6: Final answer
x = 26,506,931.99
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.