Finding the Fourth Proportional to 9,127,725.99, 12,592,570.16 and 5,454,546.09
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Solution
The fourth proportional to 9,127,725.99, 12,592,570.16 and 5,454,546.09 is: 7,525,067.52
Step by Step Solution
- Step 1: Write the proportion equation
9,127,725.99 : 12,592,570.16 = 5,454,546.09 : x - Step 2: Convert to fraction form
9,127,725.99/12,592,570.16 = 5,454,546.09/x - Step 3: Cross multiply
9,127,725.99x = 12,592,570.16 × 5,454,546.09 - Step 4: Simplify right side
9,127,725.99x = 68,686,754,342,915.04 - Step 5: Solve for x
x = 68,686,754,342,915.04/9,127,725.99 - Step 6: Final answer
x = 7,525,067.52
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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.