Finding the Fourth Proportional to 13,299,043.62, 19,948,565.49 and 10,270,826.43
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Solution
The fourth proportional to 13,299,043.62, 19,948,565.49 and 10,270,826.43 is: 15,406,239.68
Step by Step Solution
- Step 1: Write the proportion equation
13,299,043.62 : 19,948,565.49 = 10,270,826.43 : x - Step 2: Convert to fraction form
13,299,043.62/19,948,565.49 = 10,270,826.43/x - Step 3: Cross multiply
13,299,043.62x = 19,948,565.49 × 10,270,826.43 - Step 4: Simplify right side
13,299,043.62x = 204,888,253,561,955.16 - Step 5: Solve for x
x = 204,888,253,561,955.16/13,299,043.62 - Step 6: Final answer
x = 15,406,239.68
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1.5x scale
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.