Finding the Fourth Proportional to 8,141,153.99, 12,195,767.26 and 4,722,257.91
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Solution
The fourth proportional to 8,141,153.99, 12,195,767.26 and 4,722,257.91 is: 7,074,127.14
Step by Step Solution
- Step 1: Write the proportion equation
8,141,153.99 : 12,195,767.26 = 4,722,257.91 : x - Step 2: Convert to fraction form
8,141,153.99/12,195,767.26 = 4,722,257.91/x - Step 3: Cross multiply
8,141,153.99x = 12,195,767.26 × 4,722,257.91 - Step 4: Simplify right side
8,141,153.99x = 57,591,558,388,442.74 - Step 5: Solve for x
x = 57,591,558,388,442.74/8,141,153.99 - Step 6: Final answer
x = 7,074,127.14
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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.