Finding the Fourth Proportional to 18,576,277.20, 27,864,415.80 and 8,498,581.20
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Solution
The fourth proportional to 18,576,277.20, 27,864,415.80 and 8,498,581.20 is: 12,747,871.80
Step by Step Solution
- Step 1: Write the proportion equation
18,576,277.20 : 27,864,415.80 = 8,498,581.20 : x - Step 2: Convert to fraction form
18,576,277.20/27,864,415.80 = 8,498,581.20/x - Step 3: Cross multiply
18,576,277.20x = 27,864,415.80 × 8,498,581.20 - Step 4: Simplify right side
18,576,277.20x = 236,808,000,266,862.94 - Step 5: Solve for x
x = 236,808,000,266,862.94/18,576,277.20 - Step 6: Final answer
x = 12,747,871.80
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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.