Finding the Fourth Proportional to 18,997,481.27, 26,229,393.46 and 12,034,337.99
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Solution
The fourth proportional to 18,997,481.27, 26,229,393.46 and 12,034,337.99 is: 16,615,538.75
Step by Step Solution
- Step 1: Write the proportion equation
18,997,481.27 : 26,229,393.46 = 12,034,337.99 : x - Step 2: Convert to fraction form
18,997,481.27/26,229,393.46 = 12,034,337.99/x - Step 3: Cross multiply
18,997,481.27x = 26,229,393.46 × 12,034,337.99 - Step 4: Simplify right side
18,997,481.27x = 315,653,386,170,335.56 - Step 5: Solve for x
x = 315,653,386,170,335.56/18,997,481.27 - Step 6: Final answer
x = 16,615,538.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.