Finding the Fourth Proportional to 17,546,654.80, 26,319,982.20 and 12,444,821.20
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Solution
The fourth proportional to 17,546,654.80, 26,319,982.20 and 12,444,821.20 is: 18,667,231.80
Step by Step Solution
- Step 1: Write the proportion equation
17,546,654.80 : 26,319,982.20 = 12,444,821.20 : x - Step 2: Convert to fraction form
17,546,654.80/26,319,982.20 = 12,444,821.20/x - Step 3: Cross multiply
17,546,654.80x = 26,319,982.20 × 12,444,821.20 - Step 4: Simplify right side
17,546,654.80x = 327,547,472,466,182.62 - Step 5: Solve for x
x = 327,547,472,466,182.62/17,546,654.80 - Step 6: Final answer
x = 18,667,231.80
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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.