Finding the Fourth Proportional to 19,481,608.36, 26,882,788.58 and 13,189,336.04
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Solution
The fourth proportional to 19,481,608.36, 26,882,788.58 and 13,189,336.04 is: 18,200,044.15
Step by Step Solution
- Step 1: Write the proportion equation
19,481,608.36 : 26,882,788.58 = 13,189,336.04 : x - Step 2: Convert to fraction form
19,481,608.36/26,882,788.58 = 13,189,336.04/x - Step 3: Cross multiply
19,481,608.36x = 26,882,788.58 × 13,189,336.04 - Step 4: Simplify right side
19,481,608.36x = 354,566,132,273,894.38 - Step 5: Solve for x
x = 354,566,132,273,894.38/19,481,608.36 - Step 6: Final answer
x = 18,200,044.15
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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.