Finding the Fourth Proportional to 22,728,107.76, 31,357,008.82 and 12,936,102.00
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Solution
The fourth proportional to 22,728,107.76, 31,357,008.82 and 12,936,102.00 is: 17,847,392.69
Step by Step Solution
- Step 1: Write the proportion equation
22,728,107.76 : 31,357,008.82 = 12,936,102.00 : x - Step 2: Convert to fraction form
22,728,107.76/31,357,008.82 = 12,936,102.00/x - Step 3: Cross multiply
22,728,107.76x = 31,357,008.82 × 12,936,102.00 - Step 4: Simplify right side
22,728,107.76x = 405,637,464,336,235.44 - Step 5: Solve for x
x = 405,637,464,336,235.44/22,728,107.76 - Step 6: Final answer
x = 17,847,392.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.