Finding the Fourth Proportional to 8,119,855.53, 12,182,502.36 and 2,655,202.38
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Solution
The fourth proportional to 8,119,855.53, 12,182,502.36 and 2,655,202.38 is: 3,983,692.70
Step by Step Solution
- Step 1: Write the proportion equation
8,119,855.53 : 12,182,502.36 = 2,655,202.38 : x - Step 2: Convert to fraction form
8,119,855.53/12,182,502.36 = 2,655,202.38/x - Step 3: Cross multiply
8,119,855.53x = 12,182,502.36 × 2,655,202.38 - Step 4: Simplify right side
8,119,855.53x = 32,347,009,224,900.24 - Step 5: Solve for x
x = 32,347,009,224,900.24/8,119,855.53 - Step 6: Final answer
x = 3,983,692.70
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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.