Finding the Fourth Proportional to 21,511,512.86, 32,267,229.30 and 6,740,739.02
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Solution
The fourth proportional to 21,511,512.86, 32,267,229.30 and 6,740,739.02 is: 10,111,095.99
Step by Step Solution
- Step 1: Write the proportion equation
21,511,512.86 : 32,267,229.30 = 6,740,739.02 : x - Step 2: Convert to fraction form
21,511,512.86/32,267,229.30 = 6,740,739.02/x - Step 3: Cross multiply
21,511,512.86x = 32,267,229.30 × 6,740,739.02 - Step 4: Simplify right side
21,511,512.86x = 217,504,971,448,461.12 - Step 5: Solve for x
x = 217,504,971,448,461.12/21,511,512.86 - Step 6: Final answer
x = 10,111,095.99
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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.