Finding the Fourth Proportional to 21,375,863.84, 32,063,860.56 and 5,201,817.92
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Solution
The fourth proportional to 21,375,863.84, 32,063,860.56 and 5,201,817.92 is: 7,802,742.65
Step by Step Solution
- Step 1: Write the proportion equation
21,375,863.84 : 32,063,860.56 = 5,201,817.92 : x - Step 2: Convert to fraction form
21,375,863.84/32,063,860.56 = 5,201,817.92/x - Step 3: Cross multiply
21,375,863.84x = 32,063,860.56 × 5,201,817.92 - Step 4: Simplify right side
21,375,863.84x = 166,790,364,445,389.22 - Step 5: Solve for x
x = 166,790,364,445,389.22/21,375,863.84 - Step 6: Final answer
x = 7,802,742.65
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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.