Finding the Fourth Proportional to 8,238,790.08, 12,356,496.21 and 3,119,453.82
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Solution
The fourth proportional to 8,238,790.08, 12,356,496.21 and 3,119,453.82 is: 4,678,541.26
Step by Step Solution
- Step 1: Write the proportion equation
8,238,790.08 : 12,356,496.21 = 3,119,453.82 : x - Step 2: Convert to fraction form
8,238,790.08/12,356,496.21 = 3,119,453.82/x - Step 3: Cross multiply
8,238,790.08x = 12,356,496.21 × 3,119,453.82 - Step 4: Simplify right side
8,238,790.08x = 38,545,519,304,100.02 - Step 5: Solve for x
x = 38,545,519,304,100.02/8,238,790.08 - Step 6: Final answer
x = 4,678,541.26
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1.5x scale
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.