Finding the Fourth Proportional to 17,221,817.12, 25,823,757.12 and 6,430,243.52
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Solution
The fourth proportional to 17,221,817.12, 25,823,757.12 and 6,430,243.52 is: 9,642,016.62
Step by Step Solution
- Step 1: Write the proportion equation
17,221,817.12 : 25,823,757.12 = 6,430,243.52 : x - Step 2: Convert to fraction form
17,221,817.12/25,823,757.12 = 6,430,243.52/x - Step 3: Cross multiply
17,221,817.12x = 25,823,757.12 × 6,430,243.52 - Step 4: Simplify right side
17,221,817.12x = 166,053,046,882,933.84 - Step 5: Solve for x
x = 166,053,046,882,933.84/17,221,817.12 - Step 6: Final answer
x = 9,642,016.62
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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.