Finding the Fourth Proportional to 19,544,660.33, 26,960,425.38 and 12,189,724.42
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Solution
The fourth proportional to 19,544,660.33, 26,960,425.38 and 12,189,724.42 is: 16,814,830.75
Step by Step Solution
- Step 1: Write the proportion equation
19,544,660.33 : 26,960,425.38 = 12,189,724.42 : x - Step 2: Convert to fraction form
19,544,660.33/26,960,425.38 = 12,189,724.42/x - Step 3: Cross multiply
19,544,660.33x = 26,960,425.38 × 12,189,724.42 - Step 4: Simplify right side
19,544,660.33x = 328,640,155,560,772.69 - Step 5: Solve for x
x = 328,640,155,560,772.69/19,544,660.33 - Step 6: Final answer
x = 16,814,830.75
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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.