Finding the Fourth Proportional to 18,368,561.28, 27,534,978.24 and 8,781,456
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Solution
The fourth proportional to 18,368,561.28, 27,534,978.24 and 8,781,456 is: 13,163,643.91
Step by Step Solution
- Step 1: Write the proportion equation
18,368,561.28 : 27,534,978.24 = 8,781,456 : x - Step 2: Convert to fraction form
18,368,561.28/27,534,978.24 = 8,781,456/x - Step 3: Cross multiply
18,368,561.28x = 27,534,978.24 × 8,781,456 - Step 4: Simplify right side
18,368,561.28x = 241,797,199,875,517.44 - Step 5: Solve for x
x = 241,797,199,875,517.44/18,368,561.28 - Step 6: Final answer
x = 13,163,643.91
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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.