Finding the Fourth Proportional to 17,289,743.16, 25,911,432.66 and 13,456,194.68
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Solution
The fourth proportional to 17,289,743.16, 25,911,432.66 and 13,456,194.68 is: 20,166,249.96
Step by Step Solution
- Step 1: Write the proportion equation
17,289,743.16 : 25,911,432.66 = 13,456,194.68 : x - Step 2: Convert to fraction form
17,289,743.16/25,911,432.66 = 13,456,194.68/x - Step 3: Cross multiply
17,289,743.16x = 25,911,432.66 × 13,456,194.68 - Step 4: Simplify right side
17,289,743.16x = 348,669,282,310,670.25 - Step 5: Solve for x
x = 348,669,282,310,670.25/17,289,743.16 - Step 6: Final answer
x = 20,166,249.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.