Finding the Fourth Proportional to 19,544,660.24, 26,960,425.25 and 12,189,724.32
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Solution
The fourth proportional to 19,544,660.24, 26,960,425.25 and 12,189,724.32 is: 16,814,830.62
Step by Step Solution
- Step 1: Write the proportion equation
19,544,660.24 : 26,960,425.25 = 12,189,724.32 : x - Step 2: Convert to fraction form
19,544,660.24/26,960,425.25 = 12,189,724.32/x - Step 3: Cross multiply
19,544,660.24x = 26,960,425.25 × 12,189,724.32 - Step 4: Simplify right side
19,544,660.24x = 328,640,151,456,187.25 - Step 5: Solve for x
x = 328,640,151,456,187.25/19,544,660.24 - Step 6: Final answer
x = 16,814,830.62
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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.